]>
Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
86aa3e22 GR |
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.onsemi.com/PowerSolutions/product.do?id=ADM1026> | |
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 | */ | |
1da177e4 | 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 */ | |
25e9c86d | 38 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
1da177e4 | 39 | |
cb01a231 JD |
40 | static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, |
41 | -1, -1, -1, -1, -1, -1, -1, -1 }; | |
1da177e4 LT |
42 | static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, |
43 | -1, -1, -1, -1, -1, -1, -1, -1 }; | |
44 | static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
45 | -1, -1, -1, -1, -1, -1, -1, -1 }; | |
46 | static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
47 | -1, -1, -1, -1, -1, -1, -1, -1 }; | |
48 | static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 }; | |
cb01a231 JD |
49 | module_param_array(gpio_input, int, NULL, 0); |
50 | MODULE_PARM_DESC(gpio_input, "List of GPIO pins (0-16) to program as inputs"); | |
51 | module_param_array(gpio_output, int, NULL, 0); | |
b55f3757 GR |
52 | MODULE_PARM_DESC(gpio_output, |
53 | "List of GPIO pins (0-16) to program as outputs"); | |
cb01a231 | 54 | module_param_array(gpio_inverted, int, NULL, 0); |
b55f3757 GR |
55 | MODULE_PARM_DESC(gpio_inverted, |
56 | "List of GPIO pins (0-16) to program as inverted"); | |
cb01a231 | 57 | module_param_array(gpio_normal, int, NULL, 0); |
b55f3757 GR |
58 | MODULE_PARM_DESC(gpio_normal, |
59 | "List of GPIO pins (0-16) to program as normal/non-inverted"); | |
cb01a231 JD |
60 | module_param_array(gpio_fan, int, NULL, 0); |
61 | MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs"); | |
1da177e4 LT |
62 | |
63 | /* Many ADM1026 constants specified below */ | |
64 | ||
65 | /* The ADM1026 registers */ | |
cb01a231 JD |
66 | #define ADM1026_REG_CONFIG1 0x00 |
67 | #define CFG1_MONITOR 0x01 | |
68 | #define CFG1_INT_ENABLE 0x02 | |
69 | #define CFG1_INT_CLEAR 0x04 | |
70 | #define CFG1_AIN8_9 0x08 | |
71 | #define CFG1_THERM_HOT 0x10 | |
72 | #define CFG1_DAC_AFC 0x20 | |
73 | #define CFG1_PWM_AFC 0x40 | |
74 | #define CFG1_RESET 0x80 | |
75 | ||
76 | #define ADM1026_REG_CONFIG2 0x01 | |
1da177e4 | 77 | /* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */ |
cb01a231 JD |
78 | |
79 | #define ADM1026_REG_CONFIG3 0x07 | |
80 | #define CFG3_GPIO16_ENABLE 0x01 | |
81 | #define CFG3_CI_CLEAR 0x02 | |
82 | #define CFG3_VREF_250 0x04 | |
83 | #define CFG3_GPIO16_DIR 0x40 | |
84 | #define CFG3_GPIO16_POL 0x80 | |
85 | ||
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 | |
1da177e4 | 92 | |
86aa3e22 GR |
93 | /* |
94 | * There are 10 general analog inputs and 7 dedicated inputs | |
1da177e4 LT |
95 | * They are: |
96 | * 0 - 9 = AIN0 - AIN9 | |
97 | * 10 = Vbat | |
98 | * 11 = 3.3V Standby | |
99 | * 12 = 3.3V Main | |
100 | * 13 = +5V | |
101 | * 14 = Vccp (CPU core voltage) | |
102 | * 15 = +12V | |
103 | * 16 = -12V | |
104 | */ | |
105 | static u16 ADM1026_REG_IN[] = { | |
106 | 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, | |
107 | 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a, | |
108 | 0x2b, 0x2c, 0x2d, 0x2e, 0x2f | |
109 | }; | |
110 | static u16 ADM1026_REG_IN_MIN[] = { | |
111 | 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, | |
112 | 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a, | |
113 | 0x4b, 0x4c, 0x4d, 0x4e, 0x4f | |
114 | }; | |
115 | static u16 ADM1026_REG_IN_MAX[] = { | |
116 | 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, | |
117 | 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42, | |
118 | 0x43, 0x44, 0x45, 0x46, 0x47 | |
119 | }; | |
120 | ||
86aa3e22 GR |
121 | /* |
122 | * Temperatures are: | |
1da177e4 LT |
123 | * 0 - Internal |
124 | * 1 - External 1 | |
125 | * 2 - External 2 | |
126 | */ | |
127 | static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 }; | |
128 | static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 }; | |
129 | static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 }; | |
130 | static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 }; | |
131 | static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f }; | |
132 | static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f }; | |
133 | ||
cb01a231 JD |
134 | #define ADM1026_REG_FAN(nr) (0x38 + (nr)) |
135 | #define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr)) | |
136 | #define ADM1026_REG_FAN_DIV_0_3 0x02 | |
137 | #define ADM1026_REG_FAN_DIV_4_7 0x03 | |
1da177e4 | 138 | |
cb01a231 JD |
139 | #define ADM1026_REG_DAC 0x04 |
140 | #define ADM1026_REG_PWM 0x05 | |
1da177e4 | 141 | |
cb01a231 JD |
142 | #define ADM1026_REG_GPIO_CFG_0_3 0x08 |
143 | #define ADM1026_REG_GPIO_CFG_4_7 0x09 | |
144 | #define ADM1026_REG_GPIO_CFG_8_11 0x0a | |
145 | #define ADM1026_REG_GPIO_CFG_12_15 0x0b | |
1da177e4 | 146 | /* CFG_16 in REG_CFG3 */ |
cb01a231 JD |
147 | #define ADM1026_REG_GPIO_STATUS_0_7 0x24 |
148 | #define ADM1026_REG_GPIO_STATUS_8_15 0x25 | |
1da177e4 | 149 | /* STATUS_16 in REG_STATUS4 */ |
cb01a231 JD |
150 | #define ADM1026_REG_GPIO_MASK_0_7 0x1c |
151 | #define ADM1026_REG_GPIO_MASK_8_15 0x1d | |
1da177e4 LT |
152 | /* MASK_16 in REG_MASK4 */ |
153 | ||
cb01a231 JD |
154 | #define ADM1026_REG_COMPANY 0x16 |
155 | #define ADM1026_REG_VERSTEP 0x17 | |
1da177e4 | 156 | /* These are the recognized values for the above regs */ |
cb01a231 JD |
157 | #define ADM1026_COMPANY_ANALOG_DEV 0x41 |
158 | #define ADM1026_VERSTEP_GENERIC 0x40 | |
159 | #define ADM1026_VERSTEP_ADM1026 0x44 | |
1da177e4 | 160 | |
cb01a231 JD |
161 | #define ADM1026_REG_MASK1 0x18 |
162 | #define ADM1026_REG_MASK2 0x19 | |
163 | #define ADM1026_REG_MASK3 0x1a | |
164 | #define ADM1026_REG_MASK4 0x1b | |
1da177e4 | 165 | |
cb01a231 JD |
166 | #define ADM1026_REG_STATUS1 0x20 |
167 | #define ADM1026_REG_STATUS2 0x21 | |
168 | #define ADM1026_REG_STATUS3 0x22 | |
169 | #define ADM1026_REG_STATUS4 0x23 | |
1da177e4 LT |
170 | |
171 | #define ADM1026_FAN_ACTIVATION_TEMP_HYST -6 | |
cb01a231 JD |
172 | #define ADM1026_FAN_CONTROL_TEMP_RANGE 20 |
173 | #define ADM1026_PWM_MAX 255 | |
1da177e4 | 174 | |
86aa3e22 GR |
175 | /* |
176 | * Conversions. Rounding and limit checking is only done on the TO_REG | |
1da177e4 LT |
177 | * variants. Note that you should be a bit careful with which arguments |
178 | * these macros are called: arguments may be evaluated more than once. | |
179 | */ | |
180 | ||
86aa3e22 GR |
181 | /* |
182 | * IN are scaled according to built-in resistors. These are the | |
1da177e4 LT |
183 | * voltages corresponding to 3/4 of full scale (192 or 0xc0) |
184 | * NOTE: The -12V input needs an additional factor to account | |
185 | * for the Vref pullup resistor. | |
186 | * NEG12_OFFSET = SCALE * Vref / V-192 - Vref | |
187 | * = 13875 * 2.50 / 1.875 - 2500 | |
188 | * = 16000 | |
189 | * | |
190 | * The values in this table are based on Table II, page 15 of the | |
191 | * datasheet. | |
192 | */ | |
cb01a231 JD |
193 | static int adm1026_scaling[] = { /* .001 Volts */ |
194 | 2250, 2250, 2250, 2250, 2250, 2250, | |
195 | 1875, 1875, 1875, 1875, 3000, 3330, | |
1da177e4 LT |
196 | 3330, 4995, 2250, 12000, 13875 |
197 | }; | |
198 | #define NEG12_OFFSET 16000 | |
cb01a231 | 199 | #define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from)) |
f1b9baa9 GR |
200 | #define INS_TO_REG(n, val) \ |
201 | SCALE(clamp_val(val, 0, 255 * adm1026_scaling[n] / 192), \ | |
202 | adm1026_scaling[n], 192) | |
cb01a231 | 203 | #define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n])) |
1da177e4 | 204 | |
86aa3e22 GR |
205 | /* |
206 | * FAN speed is measured using 22.5kHz clock and counts for 2 pulses | |
1da177e4 LT |
207 | * and we assume a 2 pulse-per-rev fan tach signal |
208 | * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000 | |
209 | */ | |
cb01a231 | 210 | #define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \ |
2a844c14 | 211 | clamp_val(1350000 / ((val) * (div)), \ |
86aa3e22 GR |
212 | 1, 254)) |
213 | #define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 0xff ? 0 : \ | |
214 | 1350000 / ((val) * (div))) | |
215 | #define DIV_FROM_REG(val) (1 << (val)) | |
cb01a231 | 216 | #define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0) |
1da177e4 LT |
217 | |
218 | /* Temperature is reported in 1 degC increments */ | |
f1b9baa9 GR |
219 | #define TEMP_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), \ |
220 | 1000) | |
1da177e4 | 221 | #define TEMP_FROM_REG(val) ((val) * 1000) |
f1b9baa9 GR |
222 | #define OFFSET_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), \ |
223 | 1000) | |
1da177e4 LT |
224 | #define OFFSET_FROM_REG(val) ((val) * 1000) |
225 | ||
2a844c14 | 226 | #define PWM_TO_REG(val) (clamp_val(val, 0, 255)) |
1da177e4 LT |
227 | #define PWM_FROM_REG(val) (val) |
228 | ||
229 | #define PWM_MIN_TO_REG(val) ((val) & 0xf0) | |
230 | #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4)) | |
231 | ||
86aa3e22 GR |
232 | /* |
233 | * Analog output is a voltage, and scaled to millivolts. The datasheet | |
cb01a231 | 234 | * indicates that the DAC could be used to drive the fans, but in our |
1da177e4 LT |
235 | * example board (Arima HDAMA) it isn't connected to the fans at all. |
236 | */ | |
f1b9baa9 GR |
237 | #define DAC_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val(val, 0, 2500) * 255, \ |
238 | 2500) | |
86aa3e22 | 239 | #define DAC_FROM_REG(val) (((val) * 2500) / 255) |
1da177e4 | 240 | |
86aa3e22 GR |
241 | /* |
242 | * Chip sampling rates | |
1da177e4 LT |
243 | * |
244 | * Some sensors are not updated more frequently than once per second | |
245 | * so it doesn't make sense to read them more often than that. | |
246 | * We cache the results and return the saved data if the driver | |
247 | * is called again before a second has elapsed. | |
248 | * | |
249 | * Also, there is significant configuration data for this chip | |
250 | * So, we keep the config data up to date in the cache | |
251 | * when it is written and only sample it once every 5 *minutes* | |
252 | */ | |
cb01a231 JD |
253 | #define ADM1026_DATA_INTERVAL (1 * HZ) |
254 | #define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ) | |
1da177e4 | 255 | |
86aa3e22 GR |
256 | /* |
257 | * We allow for multiple chips in a single system. | |
1da177e4 LT |
258 | * |
259 | * For each registered ADM1026, we need to keep state information | |
260 | * at client->data. The adm1026_data structure is dynamically | |
86aa3e22 GR |
261 | * allocated, when a new client structure is allocated. |
262 | */ | |
1da177e4 LT |
263 | |
264 | struct pwm_data { | |
265 | u8 pwm; | |
266 | u8 enable; | |
267 | u8 auto_pwm_min; | |
268 | }; | |
269 | ||
270 | struct adm1026_data { | |
b591d3c1 AL |
271 | struct i2c_client *client; |
272 | const struct attribute_group *groups[3]; | |
1da177e4 | 273 | |
9a61bf63 | 274 | struct mutex update_lock; |
1da177e4 LT |
275 | int valid; /* !=0 if following fields are valid */ |
276 | unsigned long last_reading; /* In jiffies */ | |
277 | unsigned long last_config; /* In jiffies */ | |
278 | ||
cb01a231 JD |
279 | u8 in[17]; /* Register value */ |
280 | u8 in_max[17]; /* Register value */ | |
281 | u8 in_min[17]; /* Register value */ | |
282 | s8 temp[3]; /* Register value */ | |
283 | s8 temp_min[3]; /* Register value */ | |
284 | s8 temp_max[3]; /* Register value */ | |
285 | s8 temp_tmin[3]; /* Register value */ | |
286 | s8 temp_crit[3]; /* Register value */ | |
287 | s8 temp_offset[3]; /* Register value */ | |
288 | u8 fan[8]; /* Register value */ | |
289 | u8 fan_min[8]; /* Register value */ | |
290 | u8 fan_div[8]; /* Decoded value */ | |
291 | struct pwm_data pwm1; /* Pwm control values */ | |
cb01a231 | 292 | u8 vrm; /* VRM version */ |
1da177e4 | 293 | u8 analog_out; /* Register value (DAC) */ |
cb01a231 JD |
294 | long alarms; /* Register encoding, combined */ |
295 | long alarm_mask; /* Register encoding, combined */ | |
296 | long gpio; /* Register encoding, combined */ | |
297 | long gpio_mask; /* Register encoding, combined */ | |
298 | u8 gpio_config[17]; /* Decoded value */ | |
299 | u8 config1; /* Register value */ | |
300 | u8 config2; /* Register value */ | |
301 | u8 config3; /* Register value */ | |
1da177e4 LT |
302 | }; |
303 | ||
c49efcef | 304 | static int adm1026_read_value(struct i2c_client *client, u8 reg) |
1da177e4 LT |
305 | { |
306 | int res; | |
307 | ||
308 | if (reg < 0x80) { | |
309 | /* "RAM" locations */ | |
310 | res = i2c_smbus_read_byte_data(client, reg) & 0xff; | |
311 | } else { | |
312 | /* EEPROM, do nothing */ | |
313 | res = 0; | |
314 | } | |
315 | return res; | |
316 | } | |
317 | ||
c49efcef | 318 | static int adm1026_write_value(struct i2c_client *client, u8 reg, int value) |
1da177e4 LT |
319 | { |
320 | int res; | |
321 | ||
322 | if (reg < 0x80) { | |
323 | /* "RAM" locations */ | |
324 | res = i2c_smbus_write_byte_data(client, reg, value); | |
325 | } else { | |
326 | /* EEPROM, do nothing */ | |
327 | res = 0; | |
328 | } | |
329 | return res; | |
330 | } | |
331 | ||
1da177e4 LT |
332 | static struct adm1026_data *adm1026_update_device(struct device *dev) |
333 | { | |
b591d3c1 AL |
334 | struct adm1026_data *data = dev_get_drvdata(dev); |
335 | struct i2c_client *client = data->client; | |
1da177e4 LT |
336 | int i; |
337 | long value, alarms, gpio; | |
338 | ||
9a61bf63 | 339 | mutex_lock(&data->update_lock); |
1da177e4 | 340 | if (!data->valid |
86aa3e22 GR |
341 | || time_after(jiffies, |
342 | data->last_reading + ADM1026_DATA_INTERVAL)) { | |
1da177e4 | 343 | /* Things that change quickly */ |
cb01a231 | 344 | dev_dbg(&client->dev, "Reading sensor values\n"); |
86aa3e22 | 345 | for (i = 0; i <= 16; ++i) { |
1da177e4 LT |
346 | data->in[i] = |
347 | adm1026_read_value(client, ADM1026_REG_IN[i]); | |
348 | } | |
349 | ||
86aa3e22 | 350 | for (i = 0; i <= 7; ++i) { |
1da177e4 LT |
351 | data->fan[i] = |
352 | adm1026_read_value(client, ADM1026_REG_FAN(i)); | |
353 | } | |
354 | ||
86aa3e22 GR |
355 | for (i = 0; i <= 2; ++i) { |
356 | /* | |
357 | * NOTE: temp[] is s8 and we assume 2's complement | |
358 | * "conversion" in the assignment | |
359 | */ | |
1da177e4 LT |
360 | data->temp[i] = |
361 | adm1026_read_value(client, ADM1026_REG_TEMP[i]); | |
362 | } | |
363 | ||
cb01a231 | 364 | data->pwm1.pwm = adm1026_read_value(client, |
1da177e4 | 365 | ADM1026_REG_PWM); |
cb01a231 | 366 | data->analog_out = adm1026_read_value(client, |
1da177e4 LT |
367 | ADM1026_REG_DAC); |
368 | /* GPIO16 is MSbit of alarms, move it to gpio */ | |
369 | alarms = adm1026_read_value(client, ADM1026_REG_STATUS4); | |
cb01a231 | 370 | gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */ |
1da177e4 LT |
371 | alarms &= 0x7f; |
372 | alarms <<= 8; | |
373 | alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3); | |
374 | alarms <<= 8; | |
375 | alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2); | |
376 | alarms <<= 8; | |
377 | alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1); | |
378 | data->alarms = alarms; | |
379 | ||
380 | /* Read the GPIO values */ | |
cb01a231 | 381 | gpio |= adm1026_read_value(client, |
1da177e4 LT |
382 | ADM1026_REG_GPIO_STATUS_8_15); |
383 | gpio <<= 8; | |
cb01a231 | 384 | gpio |= adm1026_read_value(client, |
1da177e4 LT |
385 | ADM1026_REG_GPIO_STATUS_0_7); |
386 | data->gpio = gpio; | |
387 | ||
388 | data->last_reading = jiffies; | |
a0393713 | 389 | } /* last_reading */ |
1da177e4 LT |
390 | |
391 | if (!data->valid || | |
392 | time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) { | |
393 | /* Things that don't change often */ | |
394 | dev_dbg(&client->dev, "Reading config values\n"); | |
86aa3e22 | 395 | for (i = 0; i <= 16; ++i) { |
cb01a231 | 396 | data->in_min[i] = adm1026_read_value(client, |
1da177e4 | 397 | ADM1026_REG_IN_MIN[i]); |
cb01a231 | 398 | data->in_max[i] = adm1026_read_value(client, |
1da177e4 LT |
399 | ADM1026_REG_IN_MAX[i]); |
400 | } | |
401 | ||
402 | value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) | |
403 | | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) | |
404 | << 8); | |
86aa3e22 | 405 | for (i = 0; i <= 7; ++i) { |
cb01a231 | 406 | data->fan_min[i] = adm1026_read_value(client, |
1da177e4 LT |
407 | ADM1026_REG_FAN_MIN(i)); |
408 | data->fan_div[i] = DIV_FROM_REG(value & 0x03); | |
409 | value >>= 2; | |
410 | } | |
411 | ||
412 | for (i = 0; i <= 2; ++i) { | |
86aa3e22 GR |
413 | /* |
414 | * NOTE: temp_xxx[] are s8 and we assume 2's | |
1da177e4 LT |
415 | * complement "conversion" in the assignment |
416 | */ | |
cb01a231 | 417 | data->temp_min[i] = adm1026_read_value(client, |
1da177e4 | 418 | ADM1026_REG_TEMP_MIN[i]); |
cb01a231 | 419 | data->temp_max[i] = adm1026_read_value(client, |
1da177e4 | 420 | ADM1026_REG_TEMP_MAX[i]); |
cb01a231 | 421 | data->temp_tmin[i] = adm1026_read_value(client, |
1da177e4 | 422 | ADM1026_REG_TEMP_TMIN[i]); |
cb01a231 | 423 | data->temp_crit[i] = adm1026_read_value(client, |
1da177e4 | 424 | ADM1026_REG_TEMP_THERM[i]); |
cb01a231 | 425 | data->temp_offset[i] = adm1026_read_value(client, |
1da177e4 LT |
426 | ADM1026_REG_TEMP_OFFSET[i]); |
427 | } | |
428 | ||
429 | /* Read the STATUS/alarm masks */ | |
cb01a231 JD |
430 | alarms = adm1026_read_value(client, ADM1026_REG_MASK4); |
431 | gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */ | |
432 | alarms = (alarms & 0x7f) << 8; | |
1da177e4 LT |
433 | alarms |= adm1026_read_value(client, ADM1026_REG_MASK3); |
434 | alarms <<= 8; | |
435 | alarms |= adm1026_read_value(client, ADM1026_REG_MASK2); | |
436 | alarms <<= 8; | |
437 | alarms |= adm1026_read_value(client, ADM1026_REG_MASK1); | |
438 | data->alarm_mask = alarms; | |
439 | ||
440 | /* Read the GPIO values */ | |
cb01a231 | 441 | gpio |= adm1026_read_value(client, |
1da177e4 LT |
442 | ADM1026_REG_GPIO_MASK_8_15); |
443 | gpio <<= 8; | |
444 | gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7); | |
445 | data->gpio_mask = gpio; | |
446 | ||
447 | /* Read various values from CONFIG1 */ | |
cb01a231 | 448 | data->config1 = adm1026_read_value(client, |
1da177e4 LT |
449 | ADM1026_REG_CONFIG1); |
450 | if (data->config1 & CFG1_PWM_AFC) { | |
451 | data->pwm1.enable = 2; | |
cb01a231 | 452 | data->pwm1.auto_pwm_min = |
1da177e4 LT |
453 | PWM_MIN_FROM_REG(data->pwm1.pwm); |
454 | } | |
455 | /* Read the GPIO config */ | |
cb01a231 | 456 | data->config2 = adm1026_read_value(client, |
1da177e4 | 457 | ADM1026_REG_CONFIG2); |
cb01a231 | 458 | data->config3 = adm1026_read_value(client, |
1da177e4 LT |
459 | ADM1026_REG_CONFIG3); |
460 | data->gpio_config[16] = (data->config3 >> 6) & 0x03; | |
461 | ||
462 | value = 0; | |
86aa3e22 | 463 | for (i = 0; i <= 15; ++i) { |
1da177e4 LT |
464 | if ((i & 0x03) == 0) { |
465 | value = adm1026_read_value(client, | |
466 | ADM1026_REG_GPIO_CFG_0_3 + i/4); | |
467 | } | |
468 | data->gpio_config[i] = value & 0x03; | |
469 | value >>= 2; | |
470 | } | |
471 | ||
472 | data->last_config = jiffies; | |
a0393713 | 473 | } /* last_config */ |
1da177e4 | 474 | |
1da177e4 | 475 | data->valid = 1; |
9a61bf63 | 476 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
477 | return data; |
478 | } | |
479 | ||
050480f1 YI |
480 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, |
481 | char *buf) | |
1da177e4 | 482 | { |
050480f1 YI |
483 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
484 | int nr = sensor_attr->index; | |
1da177e4 | 485 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 486 | return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr])); |
1da177e4 | 487 | } |
050480f1 YI |
488 | static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, |
489 | char *buf) | |
1da177e4 | 490 | { |
050480f1 YI |
491 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
492 | int nr = sensor_attr->index; | |
cb01a231 JD |
493 | struct adm1026_data *data = adm1026_update_device(dev); |
494 | return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr])); | |
1da177e4 | 495 | } |
050480f1 YI |
496 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, |
497 | const char *buf, size_t count) | |
1da177e4 | 498 | { |
050480f1 YI |
499 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
500 | int nr = sensor_attr->index; | |
b591d3c1 AL |
501 | struct adm1026_data *data = dev_get_drvdata(dev); |
502 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
503 | long val; |
504 | int err; | |
505 | ||
506 | err = kstrtol(buf, 10, &val); | |
507 | if (err) | |
508 | return err; | |
1da177e4 | 509 | |
9a61bf63 | 510 | mutex_lock(&data->update_lock); |
1da177e4 LT |
511 | data->in_min[nr] = INS_TO_REG(nr, val); |
512 | adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]); | |
9a61bf63 | 513 | mutex_unlock(&data->update_lock); |
cb01a231 | 514 | return count; |
1da177e4 | 515 | } |
050480f1 YI |
516 | static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, |
517 | char *buf) | |
1da177e4 | 518 | { |
050480f1 YI |
519 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
520 | int nr = sensor_attr->index; | |
1da177e4 | 521 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 522 | return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr])); |
1da177e4 | 523 | } |
050480f1 YI |
524 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, |
525 | const char *buf, size_t count) | |
1da177e4 | 526 | { |
050480f1 YI |
527 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
528 | int nr = sensor_attr->index; | |
b591d3c1 AL |
529 | struct adm1026_data *data = dev_get_drvdata(dev); |
530 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
531 | long val; |
532 | int err; | |
533 | ||
534 | err = kstrtol(buf, 10, &val); | |
535 | if (err) | |
536 | return err; | |
1da177e4 | 537 | |
9a61bf63 | 538 | mutex_lock(&data->update_lock); |
1da177e4 LT |
539 | data->in_max[nr] = INS_TO_REG(nr, val); |
540 | adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]); | |
9a61bf63 | 541 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
542 | return count; |
543 | } | |
544 | ||
050480f1 YI |
545 | #define in_reg(offset) \ |
546 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \ | |
547 | NULL, offset); \ | |
548 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ | |
549 | show_in_min, set_in_min, offset); \ | |
550 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ | |
551 | show_in_max, set_in_max, offset); | |
1da177e4 LT |
552 | |
553 | ||
554 | in_reg(0); | |
555 | in_reg(1); | |
556 | in_reg(2); | |
557 | in_reg(3); | |
558 | in_reg(4); | |
559 | in_reg(5); | |
560 | in_reg(6); | |
561 | in_reg(7); | |
562 | in_reg(8); | |
563 | in_reg(9); | |
564 | in_reg(10); | |
565 | in_reg(11); | |
566 | in_reg(12); | |
567 | in_reg(13); | |
568 | in_reg(14); | |
569 | in_reg(15); | |
570 | ||
86aa3e22 GR |
571 | static ssize_t show_in16(struct device *dev, struct device_attribute *attr, |
572 | char *buf) | |
1da177e4 LT |
573 | { |
574 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 575 | return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) - |
1da177e4 LT |
576 | NEG12_OFFSET); |
577 | } | |
86aa3e22 GR |
578 | static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, |
579 | char *buf) | |
1da177e4 | 580 | { |
cb01a231 JD |
581 | struct adm1026_data *data = adm1026_update_device(dev); |
582 | return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16]) | |
1da177e4 LT |
583 | - NEG12_OFFSET); |
584 | } | |
86aa3e22 GR |
585 | static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, |
586 | const char *buf, size_t count) | |
1da177e4 | 587 | { |
b591d3c1 AL |
588 | struct adm1026_data *data = dev_get_drvdata(dev); |
589 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
590 | long val; |
591 | int err; | |
592 | ||
593 | err = kstrtol(buf, 10, &val); | |
594 | if (err) | |
595 | return err; | |
1da177e4 | 596 | |
9a61bf63 | 597 | mutex_lock(&data->update_lock); |
f1b9baa9 GR |
598 | data->in_min[16] = INS_TO_REG(16, |
599 | clamp_val(val, INT_MIN, | |
600 | INT_MAX - NEG12_OFFSET) + | |
601 | NEG12_OFFSET); | |
1da177e4 | 602 | adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]); |
9a61bf63 | 603 | mutex_unlock(&data->update_lock); |
cb01a231 | 604 | return count; |
1da177e4 | 605 | } |
86aa3e22 GR |
606 | static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, |
607 | char *buf) | |
1da177e4 LT |
608 | { |
609 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 610 | return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16]) |
1da177e4 LT |
611 | - NEG12_OFFSET); |
612 | } | |
86aa3e22 GR |
613 | static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, |
614 | const char *buf, size_t count) | |
1da177e4 | 615 | { |
b591d3c1 AL |
616 | struct adm1026_data *data = dev_get_drvdata(dev); |
617 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
618 | long val; |
619 | int err; | |
620 | ||
621 | err = kstrtol(buf, 10, &val); | |
622 | if (err) | |
623 | return err; | |
1da177e4 | 624 | |
9a61bf63 | 625 | mutex_lock(&data->update_lock); |
f1b9baa9 GR |
626 | data->in_max[16] = INS_TO_REG(16, |
627 | clamp_val(val, INT_MIN, | |
628 | INT_MAX - NEG12_OFFSET) + | |
629 | NEG12_OFFSET); | |
1da177e4 | 630 | adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]); |
9a61bf63 | 631 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
632 | return count; |
633 | } | |
634 | ||
050480f1 | 635 | static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16); |
86aa3e22 GR |
636 | static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, |
637 | set_in16_min, 16); | |
638 | static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, | |
639 | set_in16_max, 16); | |
1da177e4 LT |
640 | |
641 | ||
642 | /* Now add fan read/write functions */ | |
643 | ||
050480f1 YI |
644 | static ssize_t show_fan(struct device *dev, struct device_attribute *attr, |
645 | char *buf) | |
1da177e4 | 646 | { |
050480f1 YI |
647 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
648 | int nr = sensor_attr->index; | |
1da177e4 | 649 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 650 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], |
1da177e4 LT |
651 | data->fan_div[nr])); |
652 | } | |
050480f1 YI |
653 | static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, |
654 | char *buf) | |
1da177e4 | 655 | { |
050480f1 YI |
656 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
657 | int nr = sensor_attr->index; | |
1da177e4 | 658 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 659 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr], |
1da177e4 LT |
660 | data->fan_div[nr])); |
661 | } | |
050480f1 YI |
662 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, |
663 | const char *buf, size_t count) | |
1da177e4 | 664 | { |
050480f1 YI |
665 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
666 | int nr = sensor_attr->index; | |
b591d3c1 AL |
667 | struct adm1026_data *data = dev_get_drvdata(dev); |
668 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
669 | long val; |
670 | int err; | |
671 | ||
672 | err = kstrtol(buf, 10, &val); | |
673 | if (err) | |
674 | return err; | |
1da177e4 | 675 | |
9a61bf63 | 676 | mutex_lock(&data->update_lock); |
1da177e4 LT |
677 | data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]); |
678 | adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr), | |
679 | data->fan_min[nr]); | |
9a61bf63 | 680 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
681 | return count; |
682 | } | |
683 | ||
cb01a231 JD |
684 | #define fan_offset(offset) \ |
685 | static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \ | |
686 | offset - 1); \ | |
687 | static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ | |
050480f1 | 688 | show_fan_min, set_fan_min, offset - 1); |
1da177e4 LT |
689 | |
690 | fan_offset(1); | |
691 | fan_offset(2); | |
692 | fan_offset(3); | |
693 | fan_offset(4); | |
694 | fan_offset(5); | |
695 | fan_offset(6); | |
696 | fan_offset(7); | |
697 | fan_offset(8); | |
698 | ||
699 | /* Adjust fan_min to account for new fan divisor */ | |
700 | static void fixup_fan_min(struct device *dev, int fan, int old_div) | |
701 | { | |
b591d3c1 AL |
702 | struct adm1026_data *data = dev_get_drvdata(dev); |
703 | struct i2c_client *client = data->client; | |
cb01a231 JD |
704 | int new_min; |
705 | int new_div = data->fan_div[fan]; | |
1da177e4 LT |
706 | |
707 | /* 0 and 0xff are special. Don't adjust them */ | |
86aa3e22 | 708 | if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) |
1da177e4 | 709 | return; |
1da177e4 LT |
710 | |
711 | new_min = data->fan_min[fan] * old_div / new_div; | |
2a844c14 | 712 | new_min = clamp_val(new_min, 1, 254); |
1da177e4 LT |
713 | data->fan_min[fan] = new_min; |
714 | adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min); | |
715 | } | |
716 | ||
717 | /* Now add fan_div read/write functions */ | |
050480f1 YI |
718 | static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, |
719 | char *buf) | |
1da177e4 | 720 | { |
050480f1 YI |
721 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
722 | int nr = sensor_attr->index; | |
1da177e4 | 723 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 724 | return sprintf(buf, "%d\n", data->fan_div[nr]); |
1da177e4 | 725 | } |
050480f1 YI |
726 | static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, |
727 | const char *buf, size_t count) | |
1da177e4 | 728 | { |
050480f1 YI |
729 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
730 | int nr = sensor_attr->index; | |
b591d3c1 AL |
731 | struct adm1026_data *data = dev_get_drvdata(dev); |
732 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
733 | long val; |
734 | int orig_div, new_div; | |
735 | int err; | |
736 | ||
737 | err = kstrtol(buf, 10, &val); | |
738 | if (err) | |
739 | return err; | |
1da177e4 | 740 | |
cb01a231 | 741 | new_div = DIV_TO_REG(val); |
8b0f1840 | 742 | |
9a61bf63 | 743 | mutex_lock(&data->update_lock); |
1da177e4 LT |
744 | orig_div = data->fan_div[nr]; |
745 | data->fan_div[nr] = DIV_FROM_REG(new_div); | |
746 | ||
747 | if (nr < 4) { /* 0 <= nr < 4 */ | |
1da177e4 | 748 | adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3, |
52bc9802 GG |
749 | (DIV_TO_REG(data->fan_div[0]) << 0) | |
750 | (DIV_TO_REG(data->fan_div[1]) << 2) | | |
751 | (DIV_TO_REG(data->fan_div[2]) << 4) | | |
752 | (DIV_TO_REG(data->fan_div[3]) << 6)); | |
1da177e4 | 753 | } else { /* 3 < nr < 8 */ |
1da177e4 | 754 | adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7, |
52bc9802 GG |
755 | (DIV_TO_REG(data->fan_div[4]) << 0) | |
756 | (DIV_TO_REG(data->fan_div[5]) << 2) | | |
757 | (DIV_TO_REG(data->fan_div[6]) << 4) | | |
758 | (DIV_TO_REG(data->fan_div[7]) << 6)); | |
1da177e4 LT |
759 | } |
760 | ||
86aa3e22 | 761 | if (data->fan_div[nr] != orig_div) |
cb01a231 | 762 | fixup_fan_min(dev, nr, orig_div); |
86aa3e22 | 763 | |
9a61bf63 | 764 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
765 | return count; |
766 | } | |
767 | ||
cb01a231 JD |
768 | #define fan_offset_div(offset) \ |
769 | static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ | |
050480f1 | 770 | show_fan_div, set_fan_div, offset - 1); |
1da177e4 LT |
771 | |
772 | fan_offset_div(1); | |
773 | fan_offset_div(2); | |
774 | fan_offset_div(3); | |
775 | fan_offset_div(4); | |
776 | fan_offset_div(5); | |
777 | fan_offset_div(6); | |
778 | fan_offset_div(7); | |
779 | fan_offset_div(8); | |
780 | ||
781 | /* Temps */ | |
050480f1 YI |
782 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, |
783 | char *buf) | |
1da177e4 | 784 | { |
050480f1 YI |
785 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
786 | int nr = sensor_attr->index; | |
1da177e4 | 787 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 788 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr])); |
1da177e4 | 789 | } |
050480f1 YI |
790 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, |
791 | char *buf) | |
1da177e4 | 792 | { |
050480f1 YI |
793 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
794 | int nr = sensor_attr->index; | |
1da177e4 | 795 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 796 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr])); |
1da177e4 | 797 | } |
050480f1 YI |
798 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, |
799 | const char *buf, size_t count) | |
1da177e4 | 800 | { |
050480f1 YI |
801 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
802 | int nr = sensor_attr->index; | |
b591d3c1 AL |
803 | struct adm1026_data *data = dev_get_drvdata(dev); |
804 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
805 | long val; |
806 | int err; | |
807 | ||
808 | err = kstrtol(buf, 10, &val); | |
809 | if (err) | |
810 | return err; | |
1da177e4 | 811 | |
9a61bf63 | 812 | mutex_lock(&data->update_lock); |
1da177e4 LT |
813 | data->temp_min[nr] = TEMP_TO_REG(val); |
814 | adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr], | |
815 | data->temp_min[nr]); | |
9a61bf63 | 816 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
817 | return count; |
818 | } | |
050480f1 YI |
819 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, |
820 | char *buf) | |
1da177e4 | 821 | { |
050480f1 YI |
822 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
823 | int nr = sensor_attr->index; | |
1da177e4 | 824 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 825 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr])); |
1da177e4 | 826 | } |
050480f1 YI |
827 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, |
828 | const char *buf, size_t count) | |
1da177e4 | 829 | { |
050480f1 YI |
830 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
831 | int nr = sensor_attr->index; | |
b591d3c1 AL |
832 | struct adm1026_data *data = dev_get_drvdata(dev); |
833 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
834 | long val; |
835 | int err; | |
836 | ||
837 | err = kstrtol(buf, 10, &val); | |
838 | if (err) | |
839 | return err; | |
1da177e4 | 840 | |
9a61bf63 | 841 | mutex_lock(&data->update_lock); |
1da177e4 LT |
842 | data->temp_max[nr] = TEMP_TO_REG(val); |
843 | adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr], | |
844 | data->temp_max[nr]); | |
9a61bf63 | 845 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
846 | return count; |
847 | } | |
050480f1 YI |
848 | |
849 | #define temp_reg(offset) \ | |
cb01a231 | 850 | static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \ |
050480f1 YI |
851 | NULL, offset - 1); \ |
852 | static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ | |
853 | show_temp_min, set_temp_min, offset - 1); \ | |
854 | static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ | |
855 | show_temp_max, set_temp_max, offset - 1); | |
1da177e4 LT |
856 | |
857 | ||
858 | temp_reg(1); | |
859 | temp_reg(2); | |
860 | temp_reg(3); | |
861 | ||
050480f1 YI |
862 | static ssize_t show_temp_offset(struct device *dev, |
863 | struct device_attribute *attr, char *buf) | |
1da177e4 | 864 | { |
050480f1 YI |
865 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
866 | int nr = sensor_attr->index; | |
1da177e4 | 867 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 868 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr])); |
1da177e4 | 869 | } |
050480f1 YI |
870 | static ssize_t set_temp_offset(struct device *dev, |
871 | struct device_attribute *attr, const char *buf, | |
872 | size_t count) | |
1da177e4 | 873 | { |
050480f1 YI |
874 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
875 | int nr = sensor_attr->index; | |
b591d3c1 AL |
876 | struct adm1026_data *data = dev_get_drvdata(dev); |
877 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
878 | long val; |
879 | int err; | |
880 | ||
881 | err = kstrtol(buf, 10, &val); | |
882 | if (err) | |
883 | return err; | |
1da177e4 | 884 | |
9a61bf63 | 885 | mutex_lock(&data->update_lock); |
1da177e4 LT |
886 | data->temp_offset[nr] = TEMP_TO_REG(val); |
887 | adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr], | |
888 | data->temp_offset[nr]); | |
9a61bf63 | 889 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
890 | return count; |
891 | } | |
892 | ||
86aa3e22 GR |
893 | #define temp_offset_reg(offset) \ |
894 | static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \ | |
050480f1 | 895 | show_temp_offset, set_temp_offset, offset - 1); |
1da177e4 LT |
896 | |
897 | temp_offset_reg(1); | |
898 | temp_offset_reg(2); | |
899 | temp_offset_reg(3); | |
900 | ||
050480f1 YI |
901 | static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev, |
902 | struct device_attribute *attr, char *buf) | |
1da177e4 | 903 | { |
050480f1 YI |
904 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
905 | int nr = sensor_attr->index; | |
1da177e4 | 906 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 907 | return sprintf(buf, "%d\n", TEMP_FROM_REG( |
1da177e4 LT |
908 | ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr])); |
909 | } | |
050480f1 YI |
910 | static ssize_t show_temp_auto_point2_temp(struct device *dev, |
911 | struct device_attribute *attr, 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 | 915 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 916 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] + |
1da177e4 LT |
917 | ADM1026_FAN_CONTROL_TEMP_RANGE)); |
918 | } | |
050480f1 YI |
919 | static ssize_t show_temp_auto_point1_temp(struct device *dev, |
920 | struct device_attribute *attr, char *buf) | |
1da177e4 | 921 | { |
050480f1 YI |
922 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
923 | int nr = sensor_attr->index; | |
1da177e4 | 924 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 925 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr])); |
1da177e4 | 926 | } |
050480f1 YI |
927 | static ssize_t set_temp_auto_point1_temp(struct device *dev, |
928 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 929 | { |
050480f1 YI |
930 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
931 | int nr = sensor_attr->index; | |
b591d3c1 AL |
932 | struct adm1026_data *data = dev_get_drvdata(dev); |
933 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
934 | long val; |
935 | int err; | |
936 | ||
937 | err = kstrtol(buf, 10, &val); | |
938 | if (err) | |
939 | return err; | |
1da177e4 | 940 | |
9a61bf63 | 941 | mutex_lock(&data->update_lock); |
1da177e4 LT |
942 | data->temp_tmin[nr] = TEMP_TO_REG(val); |
943 | adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr], | |
944 | data->temp_tmin[nr]); | |
9a61bf63 | 945 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
946 | return count; |
947 | } | |
948 | ||
cb01a231 JD |
949 | #define temp_auto_point(offset) \ |
950 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \ | |
951 | S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \ | |
952 | set_temp_auto_point1_temp, offset - 1); \ | |
953 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\ | |
954 | show_temp_auto_point1_temp_hyst, NULL, offset - 1); \ | |
955 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \ | |
050480f1 | 956 | show_temp_auto_point2_temp, NULL, offset - 1); |
1da177e4 LT |
957 | |
958 | temp_auto_point(1); | |
959 | temp_auto_point(2); | |
960 | temp_auto_point(3); | |
961 | ||
050480f1 YI |
962 | static ssize_t show_temp_crit_enable(struct device *dev, |
963 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
964 | { |
965 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 966 | return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4); |
1da177e4 | 967 | } |
050480f1 YI |
968 | static ssize_t set_temp_crit_enable(struct device *dev, |
969 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 970 | { |
b591d3c1 AL |
971 | struct adm1026_data *data = dev_get_drvdata(dev); |
972 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
973 | unsigned long val; |
974 | int err; | |
975 | ||
976 | err = kstrtoul(buf, 10, &val); | |
977 | if (err) | |
978 | return err; | |
979 | ||
980 | if (val > 1) | |
981 | return -EINVAL; | |
982 | ||
983 | mutex_lock(&data->update_lock); | |
984 | data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4); | |
985 | adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1); | |
986 | mutex_unlock(&data->update_lock); | |
1da177e4 | 987 | |
1da177e4 LT |
988 | return count; |
989 | } | |
990 | ||
050480f1 YI |
991 | #define temp_crit_enable(offset) \ |
992 | static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \ | |
1da177e4 LT |
993 | show_temp_crit_enable, set_temp_crit_enable); |
994 | ||
050480f1 YI |
995 | temp_crit_enable(1); |
996 | temp_crit_enable(2); | |
997 | temp_crit_enable(3); | |
1da177e4 | 998 | |
050480f1 YI |
999 | static ssize_t show_temp_crit(struct device *dev, |
1000 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1001 | { |
050480f1 YI |
1002 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1003 | int nr = sensor_attr->index; | |
1da177e4 | 1004 | struct adm1026_data *data = adm1026_update_device(dev); |
cb01a231 | 1005 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr])); |
1da177e4 | 1006 | } |
050480f1 YI |
1007 | static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, |
1008 | const char *buf, size_t count) | |
1da177e4 | 1009 | { |
050480f1 YI |
1010 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1011 | int nr = sensor_attr->index; | |
b591d3c1 AL |
1012 | struct adm1026_data *data = dev_get_drvdata(dev); |
1013 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
1014 | long val; |
1015 | int err; | |
1016 | ||
1017 | err = kstrtol(buf, 10, &val); | |
1018 | if (err) | |
1019 | return err; | |
1da177e4 | 1020 | |
9a61bf63 | 1021 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1022 | data->temp_crit[nr] = TEMP_TO_REG(val); |
1023 | adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr], | |
1024 | data->temp_crit[nr]); | |
9a61bf63 | 1025 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1026 | return count; |
1027 | } | |
1028 | ||
050480f1 YI |
1029 | #define temp_crit_reg(offset) \ |
1030 | static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \ | |
1031 | show_temp_crit, set_temp_crit, offset - 1); | |
1da177e4 LT |
1032 | |
1033 | temp_crit_reg(1); | |
1034 | temp_crit_reg(2); | |
1035 | temp_crit_reg(3); | |
1036 | ||
6d3c213d JL |
1037 | static ssize_t analog_out_show(struct device *dev, |
1038 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
1039 | { |
1040 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 1041 | return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out)); |
1da177e4 | 1042 | } |
6d3c213d JL |
1043 | static ssize_t analog_out_store(struct device *dev, |
1044 | struct device_attribute *attr, | |
1045 | const char *buf, size_t count) | |
1da177e4 | 1046 | { |
b591d3c1 AL |
1047 | struct adm1026_data *data = dev_get_drvdata(dev); |
1048 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
1049 | long val; |
1050 | int err; | |
1051 | ||
1052 | err = kstrtol(buf, 10, &val); | |
1053 | if (err) | |
1054 | return err; | |
1da177e4 | 1055 | |
9a61bf63 | 1056 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1057 | data->analog_out = DAC_TO_REG(val); |
1058 | adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out); | |
9a61bf63 | 1059 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1060 | return count; |
1061 | } | |
1062 | ||
6d3c213d | 1063 | static DEVICE_ATTR_RW(analog_out); |
1da177e4 | 1064 | |
6d3c213d JL |
1065 | static ssize_t cpu0_vid_show(struct device *dev, |
1066 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
1067 | { |
1068 | struct adm1026_data *data = adm1026_update_device(dev); | |
a0cf354a JD |
1069 | int vid = (data->gpio >> 11) & 0x1f; |
1070 | ||
1071 | dev_dbg(dev, "Setting VID from GPIO11-15.\n"); | |
1072 | return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm)); | |
1da177e4 | 1073 | } |
86aa3e22 | 1074 | |
6d3c213d | 1075 | static DEVICE_ATTR_RO(cpu0_vid); |
1da177e4 | 1076 | |
6d3c213d JL |
1077 | static ssize_t vrm_show(struct device *dev, struct device_attribute *attr, |
1078 | char *buf) | |
1da177e4 | 1079 | { |
90d6619a | 1080 | struct adm1026_data *data = dev_get_drvdata(dev); |
cb01a231 | 1081 | return sprintf(buf, "%d\n", data->vrm); |
1da177e4 | 1082 | } |
86aa3e22 | 1083 | |
6d3c213d JL |
1084 | static ssize_t vrm_store(struct device *dev, struct device_attribute *attr, |
1085 | const char *buf, size_t count) | |
1da177e4 | 1086 | { |
f67fdabf | 1087 | struct adm1026_data *data = dev_get_drvdata(dev); |
86aa3e22 GR |
1088 | unsigned long val; |
1089 | int err; | |
1090 | ||
1091 | err = kstrtoul(buf, 10, &val); | |
1092 | if (err) | |
1093 | return err; | |
1da177e4 | 1094 | |
a4461647 AL |
1095 | if (val > 255) |
1096 | return -EINVAL; | |
1097 | ||
86aa3e22 | 1098 | data->vrm = val; |
1da177e4 LT |
1099 | return count; |
1100 | } | |
1101 | ||
6d3c213d | 1102 | static DEVICE_ATTR_RW(vrm); |
1da177e4 | 1103 | |
6d3c213d JL |
1104 | static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, |
1105 | char *buf) | |
1da177e4 LT |
1106 | { |
1107 | struct adm1026_data *data = adm1026_update_device(dev); | |
f67fdabf | 1108 | return sprintf(buf, "%ld\n", data->alarms); |
1da177e4 LT |
1109 | } |
1110 | ||
6d3c213d | 1111 | static DEVICE_ATTR_RO(alarms); |
1da177e4 | 1112 | |
a9273cb8 JD |
1113 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, |
1114 | char *buf) | |
1115 | { | |
1116 | struct adm1026_data *data = adm1026_update_device(dev); | |
1117 | int bitnr = to_sensor_dev_attr(attr)->index; | |
1118 | return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1); | |
1119 | } | |
1120 | ||
1121 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0); | |
1122 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1); | |
1123 | static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 1); | |
1124 | static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 2); | |
1125 | static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 3); | |
1126 | static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 4); | |
1127 | static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 5); | |
1128 | static SENSOR_DEVICE_ATTR(in15_alarm, S_IRUGO, show_alarm, NULL, 6); | |
1129 | static SENSOR_DEVICE_ATTR(in16_alarm, S_IRUGO, show_alarm, NULL, 7); | |
1130 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8); | |
1131 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9); | |
1132 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10); | |
1133 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11); | |
1134 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12); | |
1135 | static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13); | |
1136 | static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14); | |
1137 | static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15); | |
1138 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16); | |
1139 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17); | |
1140 | static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18); | |
1141 | static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 19); | |
1142 | static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 20); | |
1143 | static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 21); | |
1144 | static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 22); | |
1145 | static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, 23); | |
1146 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24); | |
1147 | static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25); | |
1148 | static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26); | |
1149 | ||
6d3c213d | 1150 | static ssize_t alarm_mask_show(struct device *dev, |
86aa3e22 | 1151 | struct device_attribute *attr, char *buf) |
1da177e4 LT |
1152 | { |
1153 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 1154 | return sprintf(buf, "%ld\n", data->alarm_mask); |
1da177e4 | 1155 | } |
6d3c213d JL |
1156 | static ssize_t alarm_mask_store(struct device *dev, |
1157 | struct device_attribute *attr, | |
1158 | const char *buf, size_t count) | |
1da177e4 | 1159 | { |
b591d3c1 AL |
1160 | struct adm1026_data *data = dev_get_drvdata(dev); |
1161 | struct i2c_client *client = data->client; | |
1da177e4 | 1162 | unsigned long mask; |
86aa3e22 GR |
1163 | long val; |
1164 | int err; | |
1165 | ||
1166 | err = kstrtol(buf, 10, &val); | |
1167 | if (err) | |
1168 | return err; | |
1da177e4 | 1169 | |
9a61bf63 | 1170 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1171 | data->alarm_mask = val & 0x7fffffff; |
1172 | mask = data->alarm_mask | |
1173 | | (data->gpio_mask & 0x10000 ? 0x80000000 : 0); | |
1174 | adm1026_write_value(client, ADM1026_REG_MASK1, | |
1175 | mask & 0xff); | |
1176 | mask >>= 8; | |
1177 | adm1026_write_value(client, ADM1026_REG_MASK2, | |
1178 | mask & 0xff); | |
1179 | mask >>= 8; | |
1180 | adm1026_write_value(client, ADM1026_REG_MASK3, | |
1181 | mask & 0xff); | |
1182 | mask >>= 8; | |
1183 | adm1026_write_value(client, ADM1026_REG_MASK4, | |
1184 | mask & 0xff); | |
9a61bf63 | 1185 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1186 | return count; |
1187 | } | |
1188 | ||
6d3c213d | 1189 | static DEVICE_ATTR_RW(alarm_mask); |
1da177e4 LT |
1190 | |
1191 | ||
6d3c213d | 1192 | static ssize_t gpio_show(struct device *dev, struct device_attribute *attr, |
86aa3e22 | 1193 | char *buf) |
1da177e4 LT |
1194 | { |
1195 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 1196 | return sprintf(buf, "%ld\n", data->gpio); |
1da177e4 | 1197 | } |
6d3c213d JL |
1198 | static ssize_t gpio_store(struct device *dev, struct device_attribute *attr, |
1199 | const char *buf, size_t count) | |
1da177e4 | 1200 | { |
b591d3c1 AL |
1201 | struct adm1026_data *data = dev_get_drvdata(dev); |
1202 | struct i2c_client *client = data->client; | |
cb01a231 | 1203 | long gpio; |
86aa3e22 GR |
1204 | long val; |
1205 | int err; | |
1206 | ||
1207 | err = kstrtol(buf, 10, &val); | |
1208 | if (err) | |
1209 | return err; | |
1da177e4 | 1210 | |
9a61bf63 | 1211 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1212 | data->gpio = val & 0x1ffff; |
1213 | gpio = data->gpio; | |
cb01a231 | 1214 | adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff); |
1da177e4 | 1215 | gpio >>= 8; |
cb01a231 | 1216 | adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff); |
1da177e4 | 1217 | gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f); |
cb01a231 | 1218 | adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff); |
9a61bf63 | 1219 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1220 | return count; |
1221 | } | |
1222 | ||
6d3c213d | 1223 | static DEVICE_ATTR_RW(gpio); |
1da177e4 | 1224 | |
6d3c213d JL |
1225 | static ssize_t gpio_mask_show(struct device *dev, |
1226 | struct device_attribute *attr, | |
86aa3e22 | 1227 | char *buf) |
1da177e4 LT |
1228 | { |
1229 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 1230 | return sprintf(buf, "%ld\n", data->gpio_mask); |
1da177e4 | 1231 | } |
6d3c213d JL |
1232 | static ssize_t gpio_mask_store(struct device *dev, |
1233 | struct device_attribute *attr, const char *buf, | |
1234 | size_t count) | |
1da177e4 | 1235 | { |
b591d3c1 AL |
1236 | struct adm1026_data *data = dev_get_drvdata(dev); |
1237 | struct i2c_client *client = data->client; | |
cb01a231 | 1238 | long mask; |
86aa3e22 GR |
1239 | long val; |
1240 | int err; | |
1241 | ||
1242 | err = kstrtol(buf, 10, &val); | |
1243 | if (err) | |
1244 | return err; | |
1da177e4 | 1245 | |
9a61bf63 | 1246 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1247 | data->gpio_mask = val & 0x1ffff; |
1248 | mask = data->gpio_mask; | |
cb01a231 | 1249 | adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff); |
1da177e4 | 1250 | mask >>= 8; |
cb01a231 | 1251 | adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff); |
1da177e4 | 1252 | mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f); |
cb01a231 | 1253 | adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff); |
9a61bf63 | 1254 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1255 | return count; |
1256 | } | |
1257 | ||
6d3c213d | 1258 | static DEVICE_ATTR_RW(gpio_mask); |
1da177e4 | 1259 | |
6d3c213d JL |
1260 | static ssize_t pwm1_show(struct device *dev, struct device_attribute *attr, |
1261 | char *buf) | |
1da177e4 LT |
1262 | { |
1263 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 1264 | return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm)); |
1da177e4 | 1265 | } |
86aa3e22 | 1266 | |
6d3c213d JL |
1267 | static ssize_t pwm1_store(struct device *dev, struct device_attribute *attr, |
1268 | const char *buf, size_t count) | |
1da177e4 | 1269 | { |
b591d3c1 AL |
1270 | struct adm1026_data *data = dev_get_drvdata(dev); |
1271 | struct i2c_client *client = data->client; | |
1da177e4 LT |
1272 | |
1273 | if (data->pwm1.enable == 1) { | |
86aa3e22 GR |
1274 | long val; |
1275 | int err; | |
1276 | ||
1277 | err = kstrtol(buf, 10, &val); | |
1278 | if (err) | |
1279 | return err; | |
1da177e4 | 1280 | |
9a61bf63 | 1281 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1282 | data->pwm1.pwm = PWM_TO_REG(val); |
1283 | adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm); | |
9a61bf63 | 1284 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1285 | } |
1286 | return count; | |
1287 | } | |
86aa3e22 | 1288 | |
6d3c213d JL |
1289 | static ssize_t temp1_auto_point1_pwm_show(struct device *dev, |
1290 | struct device_attribute *attr, | |
1291 | char *buf) | |
1da177e4 LT |
1292 | { |
1293 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 1294 | return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min); |
1da177e4 | 1295 | } |
86aa3e22 | 1296 | |
6d3c213d JL |
1297 | static ssize_t temp1_auto_point1_pwm_store(struct device *dev, |
1298 | struct device_attribute *attr, | |
1299 | const char *buf, size_t count) | |
1da177e4 | 1300 | { |
b591d3c1 AL |
1301 | struct adm1026_data *data = dev_get_drvdata(dev); |
1302 | struct i2c_client *client = data->client; | |
86aa3e22 GR |
1303 | unsigned long val; |
1304 | int err; | |
1305 | ||
1306 | err = kstrtoul(buf, 10, &val); | |
1307 | if (err) | |
1308 | return err; | |
1da177e4 | 1309 | |
9a61bf63 | 1310 | mutex_lock(&data->update_lock); |
2a844c14 | 1311 | data->pwm1.auto_pwm_min = clamp_val(val, 0, 255); |
1da177e4 LT |
1312 | if (data->pwm1.enable == 2) { /* apply immediately */ |
1313 | data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) | | |
cb01a231 | 1314 | PWM_MIN_TO_REG(data->pwm1.auto_pwm_min)); |
1da177e4 LT |
1315 | adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm); |
1316 | } | |
9a61bf63 | 1317 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1318 | return count; |
1319 | } | |
86aa3e22 | 1320 | |
6d3c213d JL |
1321 | static ssize_t temp1_auto_point2_pwm_show(struct device *dev, |
1322 | struct device_attribute *attr, | |
1323 | char *buf) | |
1da177e4 | 1324 | { |
cb01a231 | 1325 | return sprintf(buf, "%d\n", ADM1026_PWM_MAX); |
1da177e4 | 1326 | } |
86aa3e22 | 1327 | |
6d3c213d JL |
1328 | static ssize_t pwm1_enable_show(struct device *dev, |
1329 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
1330 | { |
1331 | struct adm1026_data *data = adm1026_update_device(dev); | |
cb01a231 | 1332 | return sprintf(buf, "%d\n", data->pwm1.enable); |
1da177e4 | 1333 | } |
86aa3e22 | 1334 | |
6d3c213d JL |
1335 | static ssize_t pwm1_enable_store(struct device *dev, |
1336 | struct device_attribute *attr, | |
1337 | const char *buf, size_t count) | |
1da177e4 | 1338 | { |
b591d3c1 AL |
1339 | struct adm1026_data *data = dev_get_drvdata(dev); |
1340 | struct i2c_client *client = data->client; | |
cb01a231 | 1341 | int old_enable; |
86aa3e22 GR |
1342 | unsigned long val; |
1343 | int err; | |
1da177e4 | 1344 | |
86aa3e22 GR |
1345 | err = kstrtoul(buf, 10, &val); |
1346 | if (err) | |
1347 | return err; | |
1348 | ||
1349 | if (val >= 3) | |
1350 | return -EINVAL; | |
1351 | ||
1352 | mutex_lock(&data->update_lock); | |
1353 | old_enable = data->pwm1.enable; | |
1354 | data->pwm1.enable = val; | |
1355 | data->config1 = (data->config1 & ~CFG1_PWM_AFC) | |
1356 | | ((val == 2) ? CFG1_PWM_AFC : 0); | |
1357 | adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1); | |
1358 | if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */ | |
1359 | data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) | | |
1360 | PWM_MIN_TO_REG(data->pwm1.auto_pwm_min)); | |
1361 | adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm); | |
1362 | } else if (!((old_enable == 1) && (val == 1))) { | |
1363 | /* set pwm to safe value */ | |
1364 | data->pwm1.pwm = 255; | |
1365 | adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm); | |
1da177e4 | 1366 | } |
86aa3e22 GR |
1367 | mutex_unlock(&data->update_lock); |
1368 | ||
1da177e4 LT |
1369 | return count; |
1370 | } | |
1371 | ||
1372 | /* enable PWM fan control */ | |
6d3c213d JL |
1373 | static DEVICE_ATTR_RW(pwm1); |
1374 | static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, pwm1_show, pwm1_store); | |
1375 | static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, pwm1_show, pwm1_store); | |
1376 | static DEVICE_ATTR_RW(pwm1_enable); | |
1377 | static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, pwm1_enable_show, | |
1378 | pwm1_enable_store); | |
1379 | static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, pwm1_enable_show, | |
1380 | pwm1_enable_store); | |
1381 | static DEVICE_ATTR_RW(temp1_auto_point1_pwm); | |
cb01a231 | 1382 | static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR, |
6d3c213d | 1383 | temp1_auto_point1_pwm_show, temp1_auto_point1_pwm_store); |
cb01a231 | 1384 | static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR, |
6d3c213d | 1385 | temp1_auto_point1_pwm_show, temp1_auto_point1_pwm_store); |
1da177e4 | 1386 | |
6d3c213d JL |
1387 | static DEVICE_ATTR_RO(temp1_auto_point2_pwm); |
1388 | static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, temp1_auto_point2_pwm_show, | |
1389 | NULL); | |
1390 | static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, temp1_auto_point2_pwm_show, | |
1391 | NULL); | |
1da177e4 | 1392 | |
681c6f7a MH |
1393 | static struct attribute *adm1026_attributes[] = { |
1394 | &sensor_dev_attr_in0_input.dev_attr.attr, | |
1395 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
1396 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
a9273cb8 | 1397 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
681c6f7a MH |
1398 | &sensor_dev_attr_in1_input.dev_attr.attr, |
1399 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
1400 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
a9273cb8 | 1401 | &sensor_dev_attr_in1_alarm.dev_attr.attr, |
681c6f7a MH |
1402 | &sensor_dev_attr_in2_input.dev_attr.attr, |
1403 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
1404 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
a9273cb8 | 1405 | &sensor_dev_attr_in2_alarm.dev_attr.attr, |
681c6f7a MH |
1406 | &sensor_dev_attr_in3_input.dev_attr.attr, |
1407 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
1408 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
a9273cb8 | 1409 | &sensor_dev_attr_in3_alarm.dev_attr.attr, |
681c6f7a MH |
1410 | &sensor_dev_attr_in4_input.dev_attr.attr, |
1411 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
1412 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
a9273cb8 | 1413 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
681c6f7a MH |
1414 | &sensor_dev_attr_in5_input.dev_attr.attr, |
1415 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
1416 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
a9273cb8 | 1417 | &sensor_dev_attr_in5_alarm.dev_attr.attr, |
681c6f7a MH |
1418 | &sensor_dev_attr_in6_input.dev_attr.attr, |
1419 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
1420 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
a9273cb8 | 1421 | &sensor_dev_attr_in6_alarm.dev_attr.attr, |
681c6f7a MH |
1422 | &sensor_dev_attr_in7_input.dev_attr.attr, |
1423 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
1424 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
a9273cb8 | 1425 | &sensor_dev_attr_in7_alarm.dev_attr.attr, |
681c6f7a MH |
1426 | &sensor_dev_attr_in10_input.dev_attr.attr, |
1427 | &sensor_dev_attr_in10_max.dev_attr.attr, | |
1428 | &sensor_dev_attr_in10_min.dev_attr.attr, | |
a9273cb8 | 1429 | &sensor_dev_attr_in10_alarm.dev_attr.attr, |
681c6f7a MH |
1430 | &sensor_dev_attr_in11_input.dev_attr.attr, |
1431 | &sensor_dev_attr_in11_max.dev_attr.attr, | |
1432 | &sensor_dev_attr_in11_min.dev_attr.attr, | |
a9273cb8 | 1433 | &sensor_dev_attr_in11_alarm.dev_attr.attr, |
681c6f7a MH |
1434 | &sensor_dev_attr_in12_input.dev_attr.attr, |
1435 | &sensor_dev_attr_in12_max.dev_attr.attr, | |
1436 | &sensor_dev_attr_in12_min.dev_attr.attr, | |
a9273cb8 | 1437 | &sensor_dev_attr_in12_alarm.dev_attr.attr, |
681c6f7a MH |
1438 | &sensor_dev_attr_in13_input.dev_attr.attr, |
1439 | &sensor_dev_attr_in13_max.dev_attr.attr, | |
1440 | &sensor_dev_attr_in13_min.dev_attr.attr, | |
a9273cb8 | 1441 | &sensor_dev_attr_in13_alarm.dev_attr.attr, |
681c6f7a MH |
1442 | &sensor_dev_attr_in14_input.dev_attr.attr, |
1443 | &sensor_dev_attr_in14_max.dev_attr.attr, | |
1444 | &sensor_dev_attr_in14_min.dev_attr.attr, | |
a9273cb8 | 1445 | &sensor_dev_attr_in14_alarm.dev_attr.attr, |
681c6f7a MH |
1446 | &sensor_dev_attr_in15_input.dev_attr.attr, |
1447 | &sensor_dev_attr_in15_max.dev_attr.attr, | |
1448 | &sensor_dev_attr_in15_min.dev_attr.attr, | |
a9273cb8 | 1449 | &sensor_dev_attr_in15_alarm.dev_attr.attr, |
681c6f7a MH |
1450 | &sensor_dev_attr_in16_input.dev_attr.attr, |
1451 | &sensor_dev_attr_in16_max.dev_attr.attr, | |
1452 | &sensor_dev_attr_in16_min.dev_attr.attr, | |
a9273cb8 | 1453 | &sensor_dev_attr_in16_alarm.dev_attr.attr, |
681c6f7a MH |
1454 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1455 | &sensor_dev_attr_fan1_div.dev_attr.attr, | |
1456 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
a9273cb8 | 1457 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
681c6f7a MH |
1458 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
1459 | &sensor_dev_attr_fan2_div.dev_attr.attr, | |
1460 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
a9273cb8 | 1461 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, |
681c6f7a MH |
1462 | &sensor_dev_attr_fan3_input.dev_attr.attr, |
1463 | &sensor_dev_attr_fan3_div.dev_attr.attr, | |
1464 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
a9273cb8 | 1465 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, |
681c6f7a MH |
1466 | &sensor_dev_attr_fan4_input.dev_attr.attr, |
1467 | &sensor_dev_attr_fan4_div.dev_attr.attr, | |
1468 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
a9273cb8 | 1469 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, |
681c6f7a MH |
1470 | &sensor_dev_attr_fan5_input.dev_attr.attr, |
1471 | &sensor_dev_attr_fan5_div.dev_attr.attr, | |
1472 | &sensor_dev_attr_fan5_min.dev_attr.attr, | |
a9273cb8 | 1473 | &sensor_dev_attr_fan5_alarm.dev_attr.attr, |
681c6f7a MH |
1474 | &sensor_dev_attr_fan6_input.dev_attr.attr, |
1475 | &sensor_dev_attr_fan6_div.dev_attr.attr, | |
1476 | &sensor_dev_attr_fan6_min.dev_attr.attr, | |
a9273cb8 | 1477 | &sensor_dev_attr_fan6_alarm.dev_attr.attr, |
681c6f7a MH |
1478 | &sensor_dev_attr_fan7_input.dev_attr.attr, |
1479 | &sensor_dev_attr_fan7_div.dev_attr.attr, | |
1480 | &sensor_dev_attr_fan7_min.dev_attr.attr, | |
a9273cb8 | 1481 | &sensor_dev_attr_fan7_alarm.dev_attr.attr, |
681c6f7a MH |
1482 | &sensor_dev_attr_fan8_input.dev_attr.attr, |
1483 | &sensor_dev_attr_fan8_div.dev_attr.attr, | |
1484 | &sensor_dev_attr_fan8_min.dev_attr.attr, | |
a9273cb8 | 1485 | &sensor_dev_attr_fan8_alarm.dev_attr.attr, |
681c6f7a MH |
1486 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
1487 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
1488 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
a9273cb8 | 1489 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
681c6f7a MH |
1490 | &sensor_dev_attr_temp2_input.dev_attr.attr, |
1491 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
1492 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
a9273cb8 | 1493 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, |
681c6f7a MH |
1494 | &sensor_dev_attr_temp1_offset.dev_attr.attr, |
1495 | &sensor_dev_attr_temp2_offset.dev_attr.attr, | |
681c6f7a MH |
1496 | &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, |
1497 | &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, | |
681c6f7a MH |
1498 | &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr, |
1499 | &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr, | |
681c6f7a MH |
1500 | &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, |
1501 | &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, | |
681c6f7a MH |
1502 | &sensor_dev_attr_temp1_crit.dev_attr.attr, |
1503 | &sensor_dev_attr_temp2_crit.dev_attr.attr, | |
681c6f7a MH |
1504 | &dev_attr_temp1_crit_enable.attr, |
1505 | &dev_attr_temp2_crit_enable.attr, | |
681c6f7a MH |
1506 | &dev_attr_cpu0_vid.attr, |
1507 | &dev_attr_vrm.attr, | |
1508 | &dev_attr_alarms.attr, | |
1509 | &dev_attr_alarm_mask.attr, | |
1510 | &dev_attr_gpio.attr, | |
1511 | &dev_attr_gpio_mask.attr, | |
1512 | &dev_attr_pwm1.attr, | |
1513 | &dev_attr_pwm2.attr, | |
1514 | &dev_attr_pwm3.attr, | |
1515 | &dev_attr_pwm1_enable.attr, | |
1516 | &dev_attr_pwm2_enable.attr, | |
1517 | &dev_attr_pwm3_enable.attr, | |
1518 | &dev_attr_temp1_auto_point1_pwm.attr, | |
1519 | &dev_attr_temp2_auto_point1_pwm.attr, | |
681c6f7a MH |
1520 | &dev_attr_temp1_auto_point2_pwm.attr, |
1521 | &dev_attr_temp2_auto_point2_pwm.attr, | |
681c6f7a MH |
1522 | &dev_attr_analog_out.attr, |
1523 | NULL | |
1524 | }; | |
1525 | ||
1526 | static const struct attribute_group adm1026_group = { | |
1527 | .attrs = adm1026_attributes, | |
1528 | }; | |
1529 | ||
5b34dbcd JD |
1530 | static struct attribute *adm1026_attributes_temp3[] = { |
1531 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1532 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
1533 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
1534 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
1535 | &sensor_dev_attr_temp3_offset.dev_attr.attr, | |
1536 | &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, | |
1537 | &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr, | |
1538 | &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, | |
1539 | &sensor_dev_attr_temp3_crit.dev_attr.attr, | |
1540 | &dev_attr_temp3_crit_enable.attr, | |
1541 | &dev_attr_temp3_auto_point1_pwm.attr, | |
1542 | &dev_attr_temp3_auto_point2_pwm.attr, | |
1d5f2c16 | 1543 | NULL |
5b34dbcd JD |
1544 | }; |
1545 | ||
1546 | static const struct attribute_group adm1026_group_temp3 = { | |
1547 | .attrs = adm1026_attributes_temp3, | |
1548 | }; | |
1549 | ||
1550 | static struct attribute *adm1026_attributes_in8_9[] = { | |
1551 | &sensor_dev_attr_in8_input.dev_attr.attr, | |
1552 | &sensor_dev_attr_in8_max.dev_attr.attr, | |
1553 | &sensor_dev_attr_in8_min.dev_attr.attr, | |
1554 | &sensor_dev_attr_in8_alarm.dev_attr.attr, | |
1555 | &sensor_dev_attr_in9_input.dev_attr.attr, | |
1556 | &sensor_dev_attr_in9_max.dev_attr.attr, | |
1557 | &sensor_dev_attr_in9_min.dev_attr.attr, | |
1558 | &sensor_dev_attr_in9_alarm.dev_attr.attr, | |
1d5f2c16 | 1559 | NULL |
5b34dbcd JD |
1560 | }; |
1561 | ||
1562 | static const struct attribute_group adm1026_group_in8_9 = { | |
1563 | .attrs = adm1026_attributes_in8_9, | |
1564 | }; | |
1565 | ||
57f7eb0b | 1566 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 1567 | static int adm1026_detect(struct i2c_client *client, |
57f7eb0b | 1568 | struct i2c_board_info *info) |
1da177e4 | 1569 | { |
57f7eb0b JD |
1570 | struct i2c_adapter *adapter = client->adapter; |
1571 | int address = client->addr; | |
1da177e4 | 1572 | int company, verstep; |
1da177e4 LT |
1573 | |
1574 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
1575 | /* We need to be able to do byte I/O */ | |
57f7eb0b | 1576 | return -ENODEV; |
a0393713 | 1577 | } |
1da177e4 | 1578 | |
1da177e4 LT |
1579 | /* Now, we do the remaining detection. */ |
1580 | ||
f67fdabf JD |
1581 | company = adm1026_read_value(client, ADM1026_REG_COMPANY); |
1582 | verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP); | |
1da177e4 | 1583 | |
b55f3757 GR |
1584 | dev_dbg(&adapter->dev, |
1585 | "Detecting device at %d,0x%02x with COMPANY: 0x%02x and VERSTEP: 0x%02x\n", | |
f67fdabf | 1586 | i2c_adapter_id(client->adapter), client->addr, |
1da177e4 LT |
1587 | company, verstep); |
1588 | ||
52df6440 JD |
1589 | /* Determine the chip type. */ |
1590 | dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n", | |
1591 | i2c_adapter_id(adapter), address); | |
1592 | if (company == ADM1026_COMPANY_ANALOG_DEV | |
1593 | && verstep == ADM1026_VERSTEP_ADM1026) { | |
1594 | /* Analog Devices ADM1026 */ | |
1595 | } else if (company == ADM1026_COMPANY_ANALOG_DEV | |
1596 | && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { | |
b55f3757 GR |
1597 | dev_err(&adapter->dev, |
1598 | "Unrecognized stepping 0x%02x. Defaulting to ADM1026.\n", | |
1599 | verstep); | |
52df6440 | 1600 | } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { |
b55f3757 GR |
1601 | dev_err(&adapter->dev, |
1602 | "Found version/stepping 0x%02x. Assuming generic ADM1026.\n", | |
52df6440 JD |
1603 | verstep); |
1604 | } else { | |
1605 | dev_dbg(&adapter->dev, "Autodetection failed\n"); | |
1606 | /* Not an ADM1026... */ | |
1607 | return -ENODEV; | |
1da177e4 | 1608 | } |
52df6440 | 1609 | |
57f7eb0b | 1610 | strlcpy(info->type, "adm1026", I2C_NAME_SIZE); |
1da177e4 | 1611 | |
57f7eb0b JD |
1612 | return 0; |
1613 | } | |
1614 | ||
97df5566 AL |
1615 | static void adm1026_print_gpio(struct i2c_client *client) |
1616 | { | |
1617 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1618 | int i; | |
1619 | ||
1620 | dev_dbg(&client->dev, "GPIO config is:\n"); | |
1621 | for (i = 0; i <= 7; ++i) { | |
1622 | if (data->config2 & (1 << i)) { | |
1623 | dev_dbg(&client->dev, "\t%sGP%s%d\n", | |
1624 | data->gpio_config[i] & 0x02 ? "" : "!", | |
1625 | data->gpio_config[i] & 0x01 ? "OUT" : "IN", | |
1626 | i); | |
1627 | } else { | |
1628 | dev_dbg(&client->dev, "\tFAN%d\n", i); | |
1629 | } | |
1630 | } | |
1631 | for (i = 8; i <= 15; ++i) { | |
1632 | dev_dbg(&client->dev, "\t%sGP%s%d\n", | |
1633 | data->gpio_config[i] & 0x02 ? "" : "!", | |
1634 | data->gpio_config[i] & 0x01 ? "OUT" : "IN", | |
1635 | i); | |
1636 | } | |
1637 | if (data->config3 & CFG3_GPIO16_ENABLE) { | |
1638 | dev_dbg(&client->dev, "\t%sGP%s16\n", | |
1639 | data->gpio_config[16] & 0x02 ? "" : "!", | |
1640 | data->gpio_config[16] & 0x01 ? "OUT" : "IN"); | |
1641 | } else { | |
1642 | /* GPIO16 is THERM */ | |
1643 | dev_dbg(&client->dev, "\tTHERM\n"); | |
1644 | } | |
1645 | } | |
1646 | ||
1647 | static void adm1026_fixup_gpio(struct i2c_client *client) | |
1648 | { | |
1649 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1650 | int i; | |
1651 | int value; | |
1652 | ||
1653 | /* Make the changes requested. */ | |
1654 | /* | |
1655 | * We may need to unlock/stop monitoring or soft-reset the | |
1656 | * chip before we can make changes. This hasn't been | |
1657 | * tested much. FIXME | |
1658 | */ | |
1659 | ||
1660 | /* Make outputs */ | |
1661 | for (i = 0; i <= 16; ++i) { | |
1662 | if (gpio_output[i] >= 0 && gpio_output[i] <= 16) | |
1663 | data->gpio_config[gpio_output[i]] |= 0x01; | |
1664 | /* if GPIO0-7 is output, it isn't a FAN tach */ | |
1665 | if (gpio_output[i] >= 0 && gpio_output[i] <= 7) | |
1666 | data->config2 |= 1 << gpio_output[i]; | |
1667 | } | |
1668 | ||
1669 | /* Input overrides output */ | |
1670 | for (i = 0; i <= 16; ++i) { | |
1671 | if (gpio_input[i] >= 0 && gpio_input[i] <= 16) | |
1672 | data->gpio_config[gpio_input[i]] &= ~0x01; | |
1673 | /* if GPIO0-7 is input, it isn't a FAN tach */ | |
1674 | if (gpio_input[i] >= 0 && gpio_input[i] <= 7) | |
1675 | data->config2 |= 1 << gpio_input[i]; | |
1676 | } | |
1677 | ||
1678 | /* Inverted */ | |
1679 | for (i = 0; i <= 16; ++i) { | |
1680 | if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) | |
1681 | data->gpio_config[gpio_inverted[i]] &= ~0x02; | |
1682 | } | |
1683 | ||
1684 | /* Normal overrides inverted */ | |
1685 | for (i = 0; i <= 16; ++i) { | |
1686 | if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) | |
1687 | data->gpio_config[gpio_normal[i]] |= 0x02; | |
1688 | } | |
1689 | ||
1690 | /* Fan overrides input and output */ | |
1691 | for (i = 0; i <= 7; ++i) { | |
1692 | if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) | |
1693 | data->config2 &= ~(1 << gpio_fan[i]); | |
1694 | } | |
1695 | ||
1696 | /* Write new configs to registers */ | |
1697 | adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2); | |
1698 | data->config3 = (data->config3 & 0x3f) | |
1699 | | ((data->gpio_config[16] & 0x03) << 6); | |
1700 | adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3); | |
1701 | for (i = 15, value = 0; i >= 0; --i) { | |
1702 | value <<= 2; | |
1703 | value |= data->gpio_config[i] & 0x03; | |
1704 | if ((i & 0x03) == 0) { | |
1705 | adm1026_write_value(client, | |
1706 | ADM1026_REG_GPIO_CFG_0_3 + i/4, | |
1707 | value); | |
1708 | value = 0; | |
1709 | } | |
1710 | } | |
1711 | ||
1712 | /* Print the new config */ | |
1713 | adm1026_print_gpio(client); | |
1714 | } | |
1715 | ||
1716 | static void adm1026_init_client(struct i2c_client *client) | |
1717 | { | |
1718 | int value, i; | |
1719 | struct adm1026_data *data = i2c_get_clientdata(client); | |
1720 | ||
1721 | dev_dbg(&client->dev, "Initializing device\n"); | |
1722 | /* Read chip config */ | |
1723 | data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1); | |
1724 | data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2); | |
1725 | data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3); | |
1726 | ||
1727 | /* Inform user of chip config */ | |
1728 | dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n", | |
1729 | data->config1); | |
1730 | if ((data->config1 & CFG1_MONITOR) == 0) { | |
1731 | dev_dbg(&client->dev, | |
1732 | "Monitoring not currently enabled.\n"); | |
1733 | } | |
1734 | if (data->config1 & CFG1_INT_ENABLE) { | |
1735 | dev_dbg(&client->dev, | |
1736 | "SMBALERT interrupts are enabled.\n"); | |
1737 | } | |
1738 | if (data->config1 & CFG1_AIN8_9) { | |
1739 | dev_dbg(&client->dev, | |
1740 | "in8 and in9 enabled. temp3 disabled.\n"); | |
1741 | } else { | |
1742 | dev_dbg(&client->dev, | |
1743 | "temp3 enabled. in8 and in9 disabled.\n"); | |
1744 | } | |
1745 | if (data->config1 & CFG1_THERM_HOT) { | |
1746 | dev_dbg(&client->dev, | |
1747 | "Automatic THERM, PWM, and temp limits enabled.\n"); | |
1748 | } | |
1749 | ||
1750 | if (data->config3 & CFG3_GPIO16_ENABLE) { | |
1751 | dev_dbg(&client->dev, | |
1752 | "GPIO16 enabled. THERM pin disabled.\n"); | |
1753 | } else { | |
1754 | dev_dbg(&client->dev, | |
1755 | "THERM pin enabled. GPIO16 disabled.\n"); | |
1756 | } | |
1757 | if (data->config3 & CFG3_VREF_250) | |
1758 | dev_dbg(&client->dev, "Vref is 2.50 Volts.\n"); | |
1759 | else | |
1760 | dev_dbg(&client->dev, "Vref is 1.82 Volts.\n"); | |
1761 | /* Read and pick apart the existing GPIO configuration */ | |
1762 | value = 0; | |
1763 | for (i = 0; i <= 15; ++i) { | |
1764 | if ((i & 0x03) == 0) { | |
1765 | value = adm1026_read_value(client, | |
1766 | ADM1026_REG_GPIO_CFG_0_3 + i / 4); | |
1767 | } | |
1768 | data->gpio_config[i] = value & 0x03; | |
1769 | value >>= 2; | |
1770 | } | |
1771 | data->gpio_config[16] = (data->config3 >> 6) & 0x03; | |
1772 | ||
1773 | /* ... and then print it */ | |
1774 | adm1026_print_gpio(client); | |
1775 | ||
1776 | /* | |
1777 | * If the user asks us to reprogram the GPIO config, then | |
1778 | * do it now. | |
1779 | */ | |
1780 | if (gpio_input[0] != -1 || gpio_output[0] != -1 | |
1781 | || gpio_inverted[0] != -1 || gpio_normal[0] != -1 | |
1782 | || gpio_fan[0] != -1) { | |
1783 | adm1026_fixup_gpio(client); | |
1784 | } | |
1785 | ||
1786 | /* | |
1787 | * WE INTENTIONALLY make no changes to the limits, | |
1788 | * offsets, pwms, fans and zones. If they were | |
1789 | * configured, we don't want to mess with them. | |
1790 | * If they weren't, the default is 100% PWM, no | |
1791 | * control and will suffice until 'sensors -s' | |
1792 | * can be run by the user. We DO set the default | |
1793 | * value for pwm1.auto_pwm_min to its maximum | |
1794 | * so that enabling automatic pwm fan control | |
1795 | * without first setting a value for pwm1.auto_pwm_min | |
1796 | * will not result in potentially dangerous fan speed decrease. | |
1797 | */ | |
1798 | data->pwm1.auto_pwm_min = 255; | |
1799 | /* Start monitoring */ | |
1800 | value = adm1026_read_value(client, ADM1026_REG_CONFIG1); | |
1801 | /* Set MONITOR, clear interrupt acknowledge and s/w reset */ | |
1802 | value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET); | |
1803 | dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value); | |
1804 | data->config1 = value; | |
1805 | adm1026_write_value(client, ADM1026_REG_CONFIG1, value); | |
1806 | ||
1807 | /* initialize fan_div[] to hardware defaults */ | |
1808 | value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) | | |
1809 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8); | |
1810 | for (i = 0; i <= 7; ++i) { | |
1811 | data->fan_div[i] = DIV_FROM_REG(value & 0x03); | |
1812 | value >>= 2; | |
1813 | } | |
1814 | } | |
1815 | ||
57f7eb0b JD |
1816 | static int adm1026_probe(struct i2c_client *client, |
1817 | const struct i2c_device_id *id) | |
1818 | { | |
b591d3c1 AL |
1819 | struct device *dev = &client->dev; |
1820 | struct device *hwmon_dev; | |
57f7eb0b | 1821 | struct adm1026_data *data; |
57f7eb0b | 1822 | |
b591d3c1 | 1823 | data = devm_kzalloc(dev, sizeof(struct adm1026_data), GFP_KERNEL); |
3421e212 GR |
1824 | if (!data) |
1825 | return -ENOMEM; | |
1da177e4 | 1826 | |
57f7eb0b | 1827 | i2c_set_clientdata(client, data); |
b591d3c1 | 1828 | data->client = client; |
9a61bf63 | 1829 | mutex_init(&data->update_lock); |
1da177e4 | 1830 | |
1da177e4 | 1831 | /* Set the VRM version */ |
303760b4 | 1832 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1833 | |
1834 | /* Initialize the ADM1026 chip */ | |
f67fdabf | 1835 | adm1026_init_client(client); |
1da177e4 | 1836 | |
b591d3c1 AL |
1837 | /* sysfs hooks */ |
1838 | data->groups[0] = &adm1026_group; | |
5b34dbcd | 1839 | if (data->config1 & CFG1_AIN8_9) |
b591d3c1 | 1840 | data->groups[1] = &adm1026_group_in8_9; |
5b34dbcd | 1841 | else |
b591d3c1 | 1842 | data->groups[1] = &adm1026_group_temp3; |
681c6f7a | 1843 | |
b591d3c1 AL |
1844 | hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, |
1845 | data, data->groups); | |
1846 | return PTR_ERR_OR_ZERO(hwmon_dev); | |
681c6f7a MH |
1847 | } |
1848 | ||
97df5566 AL |
1849 | static const struct i2c_device_id adm1026_id[] = { |
1850 | { "adm1026", 0 }, | |
1851 | { } | |
1852 | }; | |
1853 | MODULE_DEVICE_TABLE(i2c, adm1026_id); | |
1854 | ||
1855 | static struct i2c_driver adm1026_driver = { | |
1856 | .class = I2C_CLASS_HWMON, | |
1857 | .driver = { | |
1858 | .name = "adm1026", | |
1859 | }, | |
1860 | .probe = adm1026_probe, | |
97df5566 AL |
1861 | .id_table = adm1026_id, |
1862 | .detect = adm1026_detect, | |
1863 | .address_list = normal_i2c, | |
1864 | }; | |
1865 | ||
f0967eea | 1866 | module_i2c_driver(adm1026_driver); |
1da177e4 LT |
1867 | |
1868 | MODULE_LICENSE("GPL"); | |
1869 | MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, " | |
cb01a231 | 1870 | "Justin Thiessen <jthiessen@penguincomputing.com>"); |
1da177e4 | 1871 | MODULE_DESCRIPTION("ADM1026 driver"); |