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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include <linux/module.h>
27#include <linux/init.h>
28#include <linux/slab.h>
29#include <linux/jiffies.h>
30#include <linux/i2c.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040031#include <linux/hwmon.h>
Jean Delvare303760b2005-07-31 21:52:01 +020032#include <linux/hwmon-sysfs.h>
33#include <linux/hwmon-vid.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040034#include <linux/err.h>
Ingo Molnar9a61bf62006-01-18 23:19:26 +010035#include <linux/mutex.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070036
37/* Addresses to scan */
Mark M. Hoffman25e9c862008-02-17 22:28:03 -050038static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
40/* Insmod parameters */
Jean Delvaref4b50262005-07-31 21:49:03 +020041I2C_CLIENT_INSMOD_1(adm1026);
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
Jean Delvarecb01a232007-11-29 23:46:42 +010043static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
44 -1, -1, -1, -1, -1, -1, -1, -1 };
Linus Torvalds1da177e2005-04-16 15:20:36 -070045static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
46 -1, -1, -1, -1, -1, -1, -1, -1 };
47static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
48 -1, -1, -1, -1, -1, -1, -1, -1 };
49static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
50 -1, -1, -1, -1, -1, -1, -1, -1 };
51static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
Jean Delvarecb01a232007-11-29 23:46:42 +010052module_param_array(gpio_input, int, NULL, 0);
53MODULE_PARM_DESC(gpio_input, "List of GPIO pins (0-16) to program as inputs");
54module_param_array(gpio_output, int, NULL, 0);
55MODULE_PARM_DESC(gpio_output, "List of GPIO pins (0-16) to program as "
Linus Torvalds1da177e2005-04-16 15:20:36 -070056 "outputs");
Jean Delvarecb01a232007-11-29 23:46:42 +010057module_param_array(gpio_inverted, int, NULL, 0);
58MODULE_PARM_DESC(gpio_inverted, "List of GPIO pins (0-16) to program as "
Linus Torvalds1da177e2005-04-16 15:20:36 -070059 "inverted");
Jean Delvarecb01a232007-11-29 23:46:42 +010060module_param_array(gpio_normal, int, NULL, 0);
61MODULE_PARM_DESC(gpio_normal, "List of GPIO pins (0-16) to program as "
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 "normal/non-inverted");
Jean Delvarecb01a232007-11-29 23:46:42 +010063module_param_array(gpio_fan, int, NULL, 0);
64MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
Linus Torvalds1da177e2005-04-16 15:20:36 -070065
66/* Many ADM1026 constants specified below */
67
68/* The ADM1026 registers */
Jean Delvarecb01a232007-11-29 23:46:42 +010069#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
79#define ADM1026_REG_CONFIG2 0x01
Linus Torvalds1da177e2005-04-16 15:20:36 -070080/* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
Jean Delvarecb01a232007-11-29 23:46:42 +010081
82#define ADM1026_REG_CONFIG3 0x07
83#define CFG3_GPIO16_ENABLE 0x01
84#define CFG3_CI_CLEAR 0x02
85#define CFG3_VREF_250 0x04
86#define CFG3_GPIO16_DIR 0x40
87#define CFG3_GPIO16_POL 0x80
88
89#define ADM1026_REG_E2CONFIG 0x13
90#define E2CFG_READ 0x01
91#define E2CFG_WRITE 0x02
92#define E2CFG_ERASE 0x04
93#define E2CFG_ROM 0x08
94#define E2CFG_CLK_EXT 0x80
Linus Torvalds1da177e2005-04-16 15:20:36 -070095
96/* There are 10 general analog inputs and 7 dedicated inputs
97 * They are:
98 * 0 - 9 = AIN0 - AIN9
99 * 10 = Vbat
100 * 11 = 3.3V Standby
101 * 12 = 3.3V Main
102 * 13 = +5V
103 * 14 = Vccp (CPU core voltage)
104 * 15 = +12V
105 * 16 = -12V
106 */
107static u16 ADM1026_REG_IN[] = {
108 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
109 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
110 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
111 };
112static u16 ADM1026_REG_IN_MIN[] = {
113 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
114 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
115 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
116 };
117static u16 ADM1026_REG_IN_MAX[] = {
118 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
119 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
120 0x43, 0x44, 0x45, 0x46, 0x47
121 };
122
123/* Temperatures are:
124 * 0 - Internal
125 * 1 - External 1
126 * 2 - External 2
127 */
128static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
129static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
130static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
131static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
132static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
133static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
134
Jean Delvarecb01a232007-11-29 23:46:42 +0100135#define ADM1026_REG_FAN(nr) (0x38 + (nr))
136#define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
137#define ADM1026_REG_FAN_DIV_0_3 0x02
138#define ADM1026_REG_FAN_DIV_4_7 0x03
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139
Jean Delvarecb01a232007-11-29 23:46:42 +0100140#define ADM1026_REG_DAC 0x04
141#define ADM1026_REG_PWM 0x05
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142
Jean Delvarecb01a232007-11-29 23:46:42 +0100143#define ADM1026_REG_GPIO_CFG_0_3 0x08
144#define ADM1026_REG_GPIO_CFG_4_7 0x09
145#define ADM1026_REG_GPIO_CFG_8_11 0x0a
146#define ADM1026_REG_GPIO_CFG_12_15 0x0b
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147/* CFG_16 in REG_CFG3 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100148#define ADM1026_REG_GPIO_STATUS_0_7 0x24
149#define ADM1026_REG_GPIO_STATUS_8_15 0x25
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150/* STATUS_16 in REG_STATUS4 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100151#define ADM1026_REG_GPIO_MASK_0_7 0x1c
152#define ADM1026_REG_GPIO_MASK_8_15 0x1d
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153/* MASK_16 in REG_MASK4 */
154
Jean Delvarecb01a232007-11-29 23:46:42 +0100155#define ADM1026_REG_COMPANY 0x16
156#define ADM1026_REG_VERSTEP 0x17
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157/* These are the recognized values for the above regs */
Jean Delvarecb01a232007-11-29 23:46:42 +0100158#define ADM1026_COMPANY_ANALOG_DEV 0x41
159#define ADM1026_VERSTEP_GENERIC 0x40
160#define ADM1026_VERSTEP_ADM1026 0x44
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161
Jean Delvarecb01a232007-11-29 23:46:42 +0100162#define ADM1026_REG_MASK1 0x18
163#define ADM1026_REG_MASK2 0x19
164#define ADM1026_REG_MASK3 0x1a
165#define ADM1026_REG_MASK4 0x1b
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166
Jean Delvarecb01a232007-11-29 23:46:42 +0100167#define ADM1026_REG_STATUS1 0x20
168#define ADM1026_REG_STATUS2 0x21
169#define ADM1026_REG_STATUS3 0x22
170#define ADM1026_REG_STATUS4 0x23
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171
172#define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
Jean Delvarecb01a232007-11-29 23:46:42 +0100173#define ADM1026_FAN_CONTROL_TEMP_RANGE 20
174#define ADM1026_PWM_MAX 255
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175
Jean Delvarecb01a232007-11-29 23:46:42 +0100176/* Conversions. Rounding and limit checking is only done on the TO_REG
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177 * 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
181/* IN are scaled acording to built-in resistors. These are the
182 * voltages corresponding to 3/4 of full scale (192 or 0xc0)
183 * NOTE: The -12V input needs an additional factor to account
184 * for the Vref pullup resistor.
185 * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
186 * = 13875 * 2.50 / 1.875 - 2500
187 * = 16000
188 *
189 * The values in this table are based on Table II, page 15 of the
190 * datasheet.
191 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100192static int adm1026_scaling[] = { /* .001 Volts */
193 2250, 2250, 2250, 2250, 2250, 2250,
194 1875, 1875, 1875, 1875, 3000, 3330,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195 3330, 4995, 2250, 12000, 13875
196 };
197#define NEG12_OFFSET 16000
Jean Delvarecb01a232007-11-29 23:46:42 +0100198#define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
199#define INS_TO_REG(n, val) (SENSORS_LIMIT(SCALE(val, adm1026_scaling[n], 192),\
200 0, 255))
201#define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700202
203/* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
204 * and we assume a 2 pulse-per-rev fan tach signal
205 * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
206 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100207#define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
208 SENSORS_LIMIT(1350000/((val)*(div)), 1, 254))
209#define FAN_FROM_REG(val, div) ((val) == 0 ? -1:(val) == 0xff ? 0 : \
210 1350000/((val)*(div)))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211#define DIV_FROM_REG(val) (1<<(val))
Jean Delvarecb01a232007-11-29 23:46:42 +0100212#define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213
214/* Temperature is reported in 1 degC increments */
215#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
Jean Delvarecb01a232007-11-29 23:46:42 +0100216 -127, 127))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217#define TEMP_FROM_REG(val) ((val) * 1000)
218#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
Jean Delvarecb01a232007-11-29 23:46:42 +0100219 -127, 127))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220#define OFFSET_FROM_REG(val) ((val) * 1000)
221
Jean Delvarecb01a232007-11-29 23:46:42 +0100222#define PWM_TO_REG(val) (SENSORS_LIMIT(val, 0, 255))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223#define PWM_FROM_REG(val) (val)
224
225#define PWM_MIN_TO_REG(val) ((val) & 0xf0)
226#define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
227
Jean Delvarecb01a232007-11-29 23:46:42 +0100228/* Analog output is a voltage, and scaled to millivolts. The datasheet
229 * indicates that the DAC could be used to drive the fans, but in our
Linus Torvalds1da177e2005-04-16 15:20:36 -0700230 * example board (Arima HDAMA) it isn't connected to the fans at all.
231 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100232#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500), 0, 255))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700233#define DAC_FROM_REG(val) (((val)*2500)/255)
234
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235/* 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 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100246#define ADM1026_DATA_INTERVAL (1 * HZ)
247#define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248
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
255struct pwm_data {
256 u8 pwm;
257 u8 enable;
258 u8 auto_pwm_min;
259};
260
261struct adm1026_data {
Tony Jones1beeffe2007-08-20 13:46:20 -0700262 struct device *hwmon_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700263
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100264 struct mutex update_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700265 int valid; /* !=0 if following fields are valid */
266 unsigned long last_reading; /* In jiffies */
267 unsigned long last_config; /* In jiffies */
268
Jean Delvarecb01a232007-11-29 23:46:42 +0100269 u8 in[17]; /* Register value */
270 u8 in_max[17]; /* Register value */
271 u8 in_min[17]; /* Register value */
272 s8 temp[3]; /* Register value */
273 s8 temp_min[3]; /* Register value */
274 s8 temp_max[3]; /* Register value */
275 s8 temp_tmin[3]; /* Register value */
276 s8 temp_crit[3]; /* Register value */
277 s8 temp_offset[3]; /* Register value */
278 u8 fan[8]; /* Register value */
279 u8 fan_min[8]; /* Register value */
280 u8 fan_div[8]; /* Decoded value */
281 struct pwm_data pwm1; /* Pwm control values */
Jean Delvarecb01a232007-11-29 23:46:42 +0100282 u8 vrm; /* VRM version */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283 u8 analog_out; /* Register value (DAC) */
Jean Delvarecb01a232007-11-29 23:46:42 +0100284 long alarms; /* Register encoding, combined */
285 long alarm_mask; /* Register encoding, combined */
286 long gpio; /* Register encoding, combined */
287 long gpio_mask; /* Register encoding, combined */
288 u8 gpio_config[17]; /* Decoded value */
289 u8 config1; /* Register value */
290 u8 config2; /* Register value */
291 u8 config3; /* Register value */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292};
293
Jean Delvare57f7eb02008-07-16 19:30:08 +0200294static int adm1026_probe(struct i2c_client *client,
295 const struct i2c_device_id *id);
296static int adm1026_detect(struct i2c_client *client, int kind,
297 struct i2c_board_info *info);
298static int adm1026_remove(struct i2c_client *client);
Darren Jenkinsf6c27fc2006-02-27 23:14:58 +0100299static int adm1026_read_value(struct i2c_client *client, u8 reg);
300static int adm1026_write_value(struct i2c_client *client, u8 reg, int value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700301static void adm1026_print_gpio(struct i2c_client *client);
Jean Delvarecb01a232007-11-29 23:46:42 +0100302static void adm1026_fixup_gpio(struct i2c_client *client);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700303static struct adm1026_data *adm1026_update_device(struct device *dev);
304static void adm1026_init_client(struct i2c_client *client);
305
306
Jean Delvare57f7eb02008-07-16 19:30:08 +0200307static const struct i2c_device_id adm1026_id[] = {
308 { "adm1026", adm1026 },
309 { }
310};
311MODULE_DEVICE_TABLE(i2c, adm1026_id);
312
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313static struct i2c_driver adm1026_driver = {
Jean Delvare57f7eb02008-07-16 19:30:08 +0200314 .class = I2C_CLASS_HWMON,
Laurent Riffardcdaf7932005-11-26 20:37:41 +0100315 .driver = {
Laurent Riffardcdaf7932005-11-26 20:37:41 +0100316 .name = "adm1026",
317 },
Jean Delvare57f7eb02008-07-16 19:30:08 +0200318 .probe = adm1026_probe,
319 .remove = adm1026_remove,
320 .id_table = adm1026_id,
321 .detect = adm1026_detect,
322 .address_data = &addr_data,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700323};
324
Ben Dooksc49efce2005-10-26 21:07:25 +0200325static int adm1026_read_value(struct i2c_client *client, u8 reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326{
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
Ben Dooksc49efce2005-10-26 21:07:25 +0200339static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340{
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
Ben Dooksc49efce2005-10-26 21:07:25 +0200353static void adm1026_init_client(struct i2c_client *client)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354{
355 int value, i;
356 struct adm1026_data *data = i2c_get_clientdata(client);
357
Jean Delvarecb01a232007-11-29 23:46:42 +0100358 dev_dbg(&client->dev, "Initializing device\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359 /* 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 if (data->config3 & CFG3_GPIO16_ENABLE) {
Jean Delvare368609c2005-07-29 12:15:07 -0700388 dev_dbg(&client->dev, "GPIO16 enabled. THERM "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700389 "pin disabled.\n");
390 } else {
391 dev_dbg(&client->dev, "THERM pin enabled. "
392 "GPIO16 disabled.\n");
393 }
394 if (data->config3 & CFG3_VREF_250) {
395 dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
396 } else {
397 dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
398 }
399 /* Read and pick apart the existing GPIO configuration */
400 value = 0;
401 for (i = 0;i <= 15;++i) {
402 if ((i & 0x03) == 0) {
403 value = adm1026_read_value(client,
404 ADM1026_REG_GPIO_CFG_0_3 + i/4);
405 }
406 data->gpio_config[i] = value & 0x03;
407 value >>= 2;
408 }
409 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
410
411 /* ... and then print it */
412 adm1026_print_gpio(client);
413
414 /* If the user asks us to reprogram the GPIO config, then
415 * do it now.
416 */
417 if (gpio_input[0] != -1 || gpio_output[0] != -1
418 || gpio_inverted[0] != -1 || gpio_normal[0] != -1
419 || gpio_fan[0] != -1) {
420 adm1026_fixup_gpio(client);
421 }
422
423 /* WE INTENTIONALLY make no changes to the limits,
424 * offsets, pwms, fans and zones. If they were
425 * configured, we don't want to mess with them.
426 * If they weren't, the default is 100% PWM, no
427 * control and will suffice until 'sensors -s'
Jean Delvarecb01a232007-11-29 23:46:42 +0100428 * can be run by the user. We DO set the default
Linus Torvalds1da177e2005-04-16 15:20:36 -0700429 * value for pwm1.auto_pwm_min to its maximum
430 * so that enabling automatic pwm fan control
Jean Delvarecb01a232007-11-29 23:46:42 +0100431 * without first setting a value for pwm1.auto_pwm_min
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432 * will not result in potentially dangerous fan speed decrease.
433 */
434 data->pwm1.auto_pwm_min=255;
435 /* Start monitoring */
436 value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
437 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
438 value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
439 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
440 data->config1 = value;
441 adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
442
443 /* initialize fan_div[] to hardware defaults */
444 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
445 (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
446 for (i = 0;i <= 7;++i) {
447 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
448 value >>= 2;
449 }
450}
451
Ben Dooksc49efce2005-10-26 21:07:25 +0200452static void adm1026_print_gpio(struct i2c_client *client)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700453{
454 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +0100455 int i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700456
Jean Delvare885fe4b2008-10-17 17:51:20 +0200457 dev_dbg(&client->dev, "GPIO config is:\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700458 for (i = 0;i <= 7;++i) {
459 if (data->config2 & (1 << i)) {
460 dev_dbg(&client->dev, "\t%sGP%s%d\n",
461 data->gpio_config[i] & 0x02 ? "" : "!",
462 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
463 i);
464 } else {
465 dev_dbg(&client->dev, "\tFAN%d\n", i);
466 }
467 }
468 for (i = 8;i <= 15;++i) {
469 dev_dbg(&client->dev, "\t%sGP%s%d\n",
470 data->gpio_config[i] & 0x02 ? "" : "!",
471 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
472 i);
473 }
474 if (data->config3 & CFG3_GPIO16_ENABLE) {
475 dev_dbg(&client->dev, "\t%sGP%s16\n",
476 data->gpio_config[16] & 0x02 ? "" : "!",
477 data->gpio_config[16] & 0x01 ? "OUT" : "IN");
478 } else {
Jean Delvarecb01a232007-11-29 23:46:42 +0100479 /* GPIO16 is THERM */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700480 dev_dbg(&client->dev, "\tTHERM\n");
481 }
482}
483
Ben Dooksc49efce2005-10-26 21:07:25 +0200484static void adm1026_fixup_gpio(struct i2c_client *client)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485{
486 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +0100487 int i;
488 int value;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700489
490 /* Make the changes requested. */
491 /* We may need to unlock/stop monitoring or soft-reset the
492 * chip before we can make changes. This hasn't been
493 * tested much. FIXME
494 */
495
496 /* Make outputs */
497 for (i = 0;i <= 16;++i) {
498 if (gpio_output[i] >= 0 && gpio_output[i] <= 16) {
499 data->gpio_config[gpio_output[i]] |= 0x01;
500 }
501 /* if GPIO0-7 is output, it isn't a FAN tach */
502 if (gpio_output[i] >= 0 && gpio_output[i] <= 7) {
503 data->config2 |= 1 << gpio_output[i];
504 }
505 }
506
507 /* Input overrides output */
508 for (i = 0;i <= 16;++i) {
509 if (gpio_input[i] >= 0 && gpio_input[i] <= 16) {
510 data->gpio_config[gpio_input[i]] &= ~ 0x01;
511 }
512 /* if GPIO0-7 is input, it isn't a FAN tach */
513 if (gpio_input[i] >= 0 && gpio_input[i] <= 7) {
514 data->config2 |= 1 << gpio_input[i];
515 }
516 }
517
Jean Delvarecb01a232007-11-29 23:46:42 +0100518 /* Inverted */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700519 for (i = 0;i <= 16;++i) {
520 if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) {
521 data->gpio_config[gpio_inverted[i]] &= ~ 0x02;
522 }
523 }
524
Jean Delvarecb01a232007-11-29 23:46:42 +0100525 /* Normal overrides inverted */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526 for (i = 0;i <= 16;++i) {
527 if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) {
528 data->gpio_config[gpio_normal[i]] |= 0x02;
529 }
530 }
531
532 /* Fan overrides input and output */
533 for (i = 0;i <= 7;++i) {
534 if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) {
535 data->config2 &= ~(1 << gpio_fan[i]);
536 }
537 }
538
539 /* Write new configs to registers */
540 adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
541 data->config3 = (data->config3 & 0x3f)
542 | ((data->gpio_config[16] & 0x03) << 6);
543 adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
544 for (i = 15, value = 0;i >= 0;--i) {
545 value <<= 2;
546 value |= data->gpio_config[i] & 0x03;
547 if ((i & 0x03) == 0) {
548 adm1026_write_value(client,
549 ADM1026_REG_GPIO_CFG_0_3 + i/4,
550 value);
551 value = 0;
552 }
553 }
554
555 /* Print the new config */
556 adm1026_print_gpio(client);
557}
558
559
560static struct adm1026_data *adm1026_update_device(struct device *dev)
561{
562 struct i2c_client *client = to_i2c_client(dev);
563 struct adm1026_data *data = i2c_get_clientdata(client);
564 int i;
565 long value, alarms, gpio;
566
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100567 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700568 if (!data->valid
569 || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
570 /* Things that change quickly */
Jean Delvarecb01a232007-11-29 23:46:42 +0100571 dev_dbg(&client->dev, "Reading sensor values\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572 for (i = 0;i <= 16;++i) {
573 data->in[i] =
574 adm1026_read_value(client, ADM1026_REG_IN[i]);
575 }
576
577 for (i = 0;i <= 7;++i) {
578 data->fan[i] =
579 adm1026_read_value(client, ADM1026_REG_FAN(i));
580 }
581
582 for (i = 0;i <= 2;++i) {
583 /* NOTE: temp[] is s8 and we assume 2's complement
Jean Delvarecb01a232007-11-29 23:46:42 +0100584 * "conversion" in the assignment */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700585 data->temp[i] =
586 adm1026_read_value(client, ADM1026_REG_TEMP[i]);
587 }
588
Jean Delvarecb01a232007-11-29 23:46:42 +0100589 data->pwm1.pwm = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590 ADM1026_REG_PWM);
Jean Delvarecb01a232007-11-29 23:46:42 +0100591 data->analog_out = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700592 ADM1026_REG_DAC);
593 /* GPIO16 is MSbit of alarms, move it to gpio */
594 alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
Jean Delvarecb01a232007-11-29 23:46:42 +0100595 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700596 alarms &= 0x7f;
597 alarms <<= 8;
598 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
599 alarms <<= 8;
600 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
601 alarms <<= 8;
602 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
603 data->alarms = alarms;
604
605 /* Read the GPIO values */
Jean Delvarecb01a232007-11-29 23:46:42 +0100606 gpio |= adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700607 ADM1026_REG_GPIO_STATUS_8_15);
608 gpio <<= 8;
Jean Delvarecb01a232007-11-29 23:46:42 +0100609 gpio |= adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700610 ADM1026_REG_GPIO_STATUS_0_7);
611 data->gpio = gpio;
612
613 data->last_reading = jiffies;
Jean Delvarecb01a232007-11-29 23:46:42 +0100614 }; /* last_reading */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615
616 if (!data->valid ||
617 time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
618 /* Things that don't change often */
619 dev_dbg(&client->dev, "Reading config values\n");
620 for (i = 0;i <= 16;++i) {
Jean Delvarecb01a232007-11-29 23:46:42 +0100621 data->in_min[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622 ADM1026_REG_IN_MIN[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100623 data->in_max[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700624 ADM1026_REG_IN_MAX[i]);
625 }
626
627 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
628 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
629 << 8);
630 for (i = 0;i <= 7;++i) {
Jean Delvarecb01a232007-11-29 23:46:42 +0100631 data->fan_min[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632 ADM1026_REG_FAN_MIN(i));
633 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
634 value >>= 2;
635 }
636
637 for (i = 0; i <= 2; ++i) {
Jean Delvarecb01a232007-11-29 23:46:42 +0100638 /* NOTE: temp_xxx[] are s8 and we assume 2's
Linus Torvalds1da177e2005-04-16 15:20:36 -0700639 * complement "conversion" in the assignment
640 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100641 data->temp_min[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700642 ADM1026_REG_TEMP_MIN[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100643 data->temp_max[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700644 ADM1026_REG_TEMP_MAX[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100645 data->temp_tmin[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700646 ADM1026_REG_TEMP_TMIN[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100647 data->temp_crit[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648 ADM1026_REG_TEMP_THERM[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100649 data->temp_offset[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700650 ADM1026_REG_TEMP_OFFSET[i]);
651 }
652
653 /* Read the STATUS/alarm masks */
Jean Delvarecb01a232007-11-29 23:46:42 +0100654 alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
655 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
656 alarms = (alarms & 0x7f) << 8;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
658 alarms <<= 8;
659 alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
660 alarms <<= 8;
661 alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
662 data->alarm_mask = alarms;
663
664 /* Read the GPIO values */
Jean Delvarecb01a232007-11-29 23:46:42 +0100665 gpio |= adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666 ADM1026_REG_GPIO_MASK_8_15);
667 gpio <<= 8;
668 gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
669 data->gpio_mask = gpio;
670
671 /* Read various values from CONFIG1 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100672 data->config1 = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700673 ADM1026_REG_CONFIG1);
674 if (data->config1 & CFG1_PWM_AFC) {
675 data->pwm1.enable = 2;
Jean Delvarecb01a232007-11-29 23:46:42 +0100676 data->pwm1.auto_pwm_min =
Linus Torvalds1da177e2005-04-16 15:20:36 -0700677 PWM_MIN_FROM_REG(data->pwm1.pwm);
678 }
679 /* Read the GPIO config */
Jean Delvarecb01a232007-11-29 23:46:42 +0100680 data->config2 = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700681 ADM1026_REG_CONFIG2);
Jean Delvarecb01a232007-11-29 23:46:42 +0100682 data->config3 = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700683 ADM1026_REG_CONFIG3);
684 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
685
686 value = 0;
687 for (i = 0;i <= 15;++i) {
688 if ((i & 0x03) == 0) {
689 value = adm1026_read_value(client,
690 ADM1026_REG_GPIO_CFG_0_3 + i/4);
691 }
692 data->gpio_config[i] = value & 0x03;
693 value >>= 2;
694 }
695
696 data->last_config = jiffies;
Jean Delvarecb01a232007-11-29 23:46:42 +0100697 }; /* last_config */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700698
Linus Torvalds1da177e2005-04-16 15:20:36 -0700699 data->valid = 1;
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100700 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700701 return data;
702}
703
Yani Ioannou050480f2005-06-05 10:51:46 +0200704static ssize_t show_in(struct device *dev, struct device_attribute *attr,
705 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700706{
Yani Ioannou050480f2005-06-05 10:51:46 +0200707 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
708 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700709 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100710 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711}
Yani Ioannou050480f2005-06-05 10:51:46 +0200712static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
713 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700714{
Yani Ioannou050480f2005-06-05 10:51:46 +0200715 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
716 int nr = sensor_attr->index;
Jean Delvarecb01a232007-11-29 23:46:42 +0100717 struct adm1026_data *data = adm1026_update_device(dev);
718 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700719}
Yani Ioannou050480f2005-06-05 10:51:46 +0200720static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
721 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722{
Yani Ioannou050480f2005-06-05 10:51:46 +0200723 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
724 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725 struct i2c_client *client = to_i2c_client(dev);
726 struct adm1026_data *data = i2c_get_clientdata(client);
727 int val = simple_strtol(buf, NULL, 10);
728
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100729 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700730 data->in_min[nr] = INS_TO_REG(nr, val);
731 adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100732 mutex_unlock(&data->update_lock);
Jean Delvarecb01a232007-11-29 23:46:42 +0100733 return count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700734}
Yani Ioannou050480f2005-06-05 10:51:46 +0200735static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
736 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700737{
Yani Ioannou050480f2005-06-05 10:51:46 +0200738 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
739 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700740 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100741 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700742}
Yani Ioannou050480f2005-06-05 10:51:46 +0200743static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
744 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700745{
Yani Ioannou050480f2005-06-05 10:51:46 +0200746 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
747 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700748 struct i2c_client *client = to_i2c_client(dev);
749 struct adm1026_data *data = i2c_get_clientdata(client);
750 int val = simple_strtol(buf, NULL, 10);
751
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100752 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700753 data->in_max[nr] = INS_TO_REG(nr, val);
754 adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100755 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700756 return count;
757}
758
Yani Ioannou050480f2005-06-05 10:51:46 +0200759#define in_reg(offset) \
760static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
761 NULL, offset); \
762static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
763 show_in_min, set_in_min, offset); \
764static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
765 show_in_max, set_in_max, offset);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700766
767
768in_reg(0);
769in_reg(1);
770in_reg(2);
771in_reg(3);
772in_reg(4);
773in_reg(5);
774in_reg(6);
775in_reg(7);
776in_reg(8);
777in_reg(9);
778in_reg(10);
779in_reg(11);
780in_reg(12);
781in_reg(13);
782in_reg(14);
783in_reg(15);
784
Yani Ioannou74880c02005-05-17 06:41:12 -0400785static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700786{
787 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100788 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
Linus Torvalds1da177e2005-04-16 15:20:36 -0700789 NEG12_OFFSET);
790}
Yani Ioannou74880c02005-05-17 06:41:12 -0400791static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700792{
Jean Delvarecb01a232007-11-29 23:46:42 +0100793 struct adm1026_data *data = adm1026_update_device(dev);
794 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
Linus Torvalds1da177e2005-04-16 15:20:36 -0700795 - NEG12_OFFSET);
796}
Yani Ioannou74880c02005-05-17 06:41:12 -0400797static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700798{
799 struct i2c_client *client = to_i2c_client(dev);
800 struct adm1026_data *data = i2c_get_clientdata(client);
801 int val = simple_strtol(buf, NULL, 10);
802
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100803 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700804 data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
805 adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100806 mutex_unlock(&data->update_lock);
Jean Delvarecb01a232007-11-29 23:46:42 +0100807 return count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700808}
Yani Ioannou74880c02005-05-17 06:41:12 -0400809static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700810{
811 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100812 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813 - NEG12_OFFSET);
814}
Yani Ioannou74880c02005-05-17 06:41:12 -0400815static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700816{
817 struct i2c_client *client = to_i2c_client(dev);
818 struct adm1026_data *data = i2c_get_clientdata(client);
819 int val = simple_strtol(buf, NULL, 10);
820
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100821 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700822 data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
823 adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100824 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700825 return count;
826}
827
Yani Ioannou050480f2005-06-05 10:51:46 +0200828static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
829static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16);
830static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831
832
833
834
835/* Now add fan read/write functions */
836
Yani Ioannou050480f2005-06-05 10:51:46 +0200837static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
838 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700839{
Yani Ioannou050480f2005-06-05 10:51:46 +0200840 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
841 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700842 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100843 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
Linus Torvalds1da177e2005-04-16 15:20:36 -0700844 data->fan_div[nr]));
845}
Yani Ioannou050480f2005-06-05 10:51:46 +0200846static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
847 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700848{
Yani Ioannou050480f2005-06-05 10:51:46 +0200849 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
850 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700851 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100852 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
Linus Torvalds1da177e2005-04-16 15:20:36 -0700853 data->fan_div[nr]));
854}
Yani Ioannou050480f2005-06-05 10:51:46 +0200855static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
856 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700857{
Yani Ioannou050480f2005-06-05 10:51:46 +0200858 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
859 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700860 struct i2c_client *client = to_i2c_client(dev);
861 struct adm1026_data *data = i2c_get_clientdata(client);
862 int val = simple_strtol(buf, NULL, 10);
863
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100864 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700865 data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
866 adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
867 data->fan_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100868 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700869 return count;
870}
871
Jean Delvarecb01a232007-11-29 23:46:42 +0100872#define fan_offset(offset) \
873static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
874 offset - 1); \
875static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
Yani Ioannou050480f2005-06-05 10:51:46 +0200876 show_fan_min, set_fan_min, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700877
878fan_offset(1);
879fan_offset(2);
880fan_offset(3);
881fan_offset(4);
882fan_offset(5);
883fan_offset(6);
884fan_offset(7);
885fan_offset(8);
886
887/* Adjust fan_min to account for new fan divisor */
888static void fixup_fan_min(struct device *dev, int fan, int old_div)
889{
890 struct i2c_client *client = to_i2c_client(dev);
891 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +0100892 int new_min;
893 int new_div = data->fan_div[fan];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700894
895 /* 0 and 0xff are special. Don't adjust them */
896 if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) {
897 return;
898 }
899
900 new_min = data->fan_min[fan] * old_div / new_div;
901 new_min = SENSORS_LIMIT(new_min, 1, 254);
902 data->fan_min[fan] = new_min;
903 adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
904}
905
906/* Now add fan_div read/write functions */
Yani Ioannou050480f2005-06-05 10:51:46 +0200907static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
908 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700909{
Yani Ioannou050480f2005-06-05 10:51:46 +0200910 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
911 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700912 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100913 return sprintf(buf, "%d\n", data->fan_div[nr]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700914}
Yani Ioannou050480f2005-06-05 10:51:46 +0200915static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
916 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700917{
Yani Ioannou050480f2005-06-05 10:51:46 +0200918 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
919 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700920 struct i2c_client *client = to_i2c_client(dev);
921 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +0100922 int val, orig_div, new_div, shift;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700923
924 val = simple_strtol(buf, NULL, 10);
Jean Delvarecb01a232007-11-29 23:46:42 +0100925 new_div = DIV_TO_REG(val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700926 if (new_div == 0) {
927 return -EINVAL;
928 }
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100929 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700930 orig_div = data->fan_div[nr];
931 data->fan_div[nr] = DIV_FROM_REG(new_div);
932
933 if (nr < 4) { /* 0 <= nr < 4 */
934 shift = 2 * nr;
935 adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
936 ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) |
937 (new_div << shift)));
938 } else { /* 3 < nr < 8 */
939 shift = 2 * (nr - 4);
940 adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
941 ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) |
942 (new_div << shift)));
943 }
944
945 if (data->fan_div[nr] != orig_div) {
Jean Delvarecb01a232007-11-29 23:46:42 +0100946 fixup_fan_min(dev, nr, orig_div);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700947 }
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100948 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700949 return count;
950}
951
Jean Delvarecb01a232007-11-29 23:46:42 +0100952#define fan_offset_div(offset) \
953static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
Yani Ioannou050480f2005-06-05 10:51:46 +0200954 show_fan_div, set_fan_div, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700955
956fan_offset_div(1);
957fan_offset_div(2);
958fan_offset_div(3);
959fan_offset_div(4);
960fan_offset_div(5);
961fan_offset_div(6);
962fan_offset_div(7);
963fan_offset_div(8);
964
965/* Temps */
Yani Ioannou050480f2005-06-05 10:51:46 +0200966static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
967 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700968{
Yani Ioannou050480f2005-06-05 10:51:46 +0200969 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
970 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700971 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100972 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700973}
Yani Ioannou050480f2005-06-05 10:51:46 +0200974static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
975 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700976{
Yani Ioannou050480f2005-06-05 10:51:46 +0200977 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
978 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700979 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100980 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700981}
Yani Ioannou050480f2005-06-05 10:51:46 +0200982static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
983 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700984{
Yani Ioannou050480f2005-06-05 10:51:46 +0200985 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
986 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700987 struct i2c_client *client = to_i2c_client(dev);
988 struct adm1026_data *data = i2c_get_clientdata(client);
989 int val = simple_strtol(buf, NULL, 10);
990
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100991 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700992 data->temp_min[nr] = TEMP_TO_REG(val);
993 adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
994 data->temp_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100995 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700996 return count;
997}
Yani Ioannou050480f2005-06-05 10:51:46 +0200998static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
999 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001000{
Yani Ioannou050480f2005-06-05 10:51:46 +02001001 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1002 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001004 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001005}
Yani Ioannou050480f2005-06-05 10:51:46 +02001006static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
1007 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001008{
Yani Ioannou050480f2005-06-05 10:51:46 +02001009 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1010 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001011 struct i2c_client *client = to_i2c_client(dev);
1012 struct adm1026_data *data = i2c_get_clientdata(client);
1013 int val = simple_strtol(buf, NULL, 10);
1014
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001015 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001016 data->temp_max[nr] = TEMP_TO_REG(val);
1017 adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
1018 data->temp_max[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001019 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001020 return count;
1021}
Yani Ioannou050480f2005-06-05 10:51:46 +02001022
1023#define temp_reg(offset) \
Jean Delvarecb01a232007-11-29 23:46:42 +01001024static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
Yani Ioannou050480f2005-06-05 10:51:46 +02001025 NULL, offset - 1); \
1026static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
1027 show_temp_min, set_temp_min, offset - 1); \
1028static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
1029 show_temp_max, set_temp_max, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001030
1031
1032temp_reg(1);
1033temp_reg(2);
1034temp_reg(3);
1035
Yani Ioannou050480f2005-06-05 10:51:46 +02001036static ssize_t show_temp_offset(struct device *dev,
1037 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001038{
Yani Ioannou050480f2005-06-05 10:51:46 +02001039 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1040 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001041 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001042 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001043}
Yani Ioannou050480f2005-06-05 10:51:46 +02001044static ssize_t set_temp_offset(struct device *dev,
1045 struct device_attribute *attr, const char *buf,
1046 size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001047{
Yani Ioannou050480f2005-06-05 10:51:46 +02001048 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1049 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001050 struct i2c_client *client = to_i2c_client(dev);
1051 struct adm1026_data *data = i2c_get_clientdata(client);
1052 int val = simple_strtol(buf, NULL, 10);
1053
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001054 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001055 data->temp_offset[nr] = TEMP_TO_REG(val);
1056 adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
1057 data->temp_offset[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001058 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001059 return count;
1060}
1061
Yani Ioannou050480f2005-06-05 10:51:46 +02001062#define temp_offset_reg(offset) \
1063static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
1064 show_temp_offset, set_temp_offset, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001065
1066temp_offset_reg(1);
1067temp_offset_reg(2);
1068temp_offset_reg(3);
1069
Yani Ioannou050480f2005-06-05 10:51:46 +02001070static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
1071 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001072{
Yani Ioannou050480f2005-06-05 10:51:46 +02001073 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1074 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001075 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001076 return sprintf(buf, "%d\n", TEMP_FROM_REG(
Linus Torvalds1da177e2005-04-16 15:20:36 -07001077 ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
1078}
Yani Ioannou050480f2005-06-05 10:51:46 +02001079static ssize_t show_temp_auto_point2_temp(struct device *dev,
1080 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001081{
Yani Ioannou050480f2005-06-05 10:51:46 +02001082 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1083 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001084 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001085 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
Linus Torvalds1da177e2005-04-16 15:20:36 -07001086 ADM1026_FAN_CONTROL_TEMP_RANGE));
1087}
Yani Ioannou050480f2005-06-05 10:51:46 +02001088static ssize_t show_temp_auto_point1_temp(struct device *dev,
1089 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001090{
Yani Ioannou050480f2005-06-05 10:51:46 +02001091 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1092 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001093 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001094 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001095}
Yani Ioannou050480f2005-06-05 10:51:46 +02001096static ssize_t set_temp_auto_point1_temp(struct device *dev,
1097 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001098{
Yani Ioannou050480f2005-06-05 10:51:46 +02001099 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1100 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101 struct i2c_client *client = to_i2c_client(dev);
1102 struct adm1026_data *data = i2c_get_clientdata(client);
1103 int val = simple_strtol(buf, NULL, 10);
1104
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001105 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001106 data->temp_tmin[nr] = TEMP_TO_REG(val);
1107 adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
1108 data->temp_tmin[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001109 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001110 return count;
1111}
1112
Jean Delvarecb01a232007-11-29 23:46:42 +01001113#define temp_auto_point(offset) \
1114static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
1115 S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
1116 set_temp_auto_point1_temp, offset - 1); \
1117static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
1118 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
1119static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
Yani Ioannou050480f2005-06-05 10:51:46 +02001120 show_temp_auto_point2_temp, NULL, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001121
1122temp_auto_point(1);
1123temp_auto_point(2);
1124temp_auto_point(3);
1125
Yani Ioannou050480f2005-06-05 10:51:46 +02001126static ssize_t show_temp_crit_enable(struct device *dev,
1127 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001128{
1129 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001130 return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001131}
Yani Ioannou050480f2005-06-05 10:51:46 +02001132static ssize_t set_temp_crit_enable(struct device *dev,
1133 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001134{
1135 struct i2c_client *client = to_i2c_client(dev);
1136 struct adm1026_data *data = i2c_get_clientdata(client);
1137 int val = simple_strtol(buf, NULL, 10);
1138
1139 if ((val == 1) || (val==0)) {
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001140 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001141 data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
Jean Delvarecb01a232007-11-29 23:46:42 +01001142 adm1026_write_value(client, ADM1026_REG_CONFIG1,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001143 data->config1);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001144 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001145 }
1146 return count;
1147}
1148
Yani Ioannou050480f2005-06-05 10:51:46 +02001149#define temp_crit_enable(offset) \
1150static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001151 show_temp_crit_enable, set_temp_crit_enable);
1152
Yani Ioannou050480f2005-06-05 10:51:46 +02001153temp_crit_enable(1);
1154temp_crit_enable(2);
1155temp_crit_enable(3);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001156
Yani Ioannou050480f2005-06-05 10:51:46 +02001157static ssize_t show_temp_crit(struct device *dev,
1158 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001159{
Yani Ioannou050480f2005-06-05 10:51:46 +02001160 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1161 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001162 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001163 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001164}
Yani Ioannou050480f2005-06-05 10:51:46 +02001165static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
1166 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001167{
Yani Ioannou050480f2005-06-05 10:51:46 +02001168 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1169 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001170 struct i2c_client *client = to_i2c_client(dev);
1171 struct adm1026_data *data = i2c_get_clientdata(client);
1172 int val = simple_strtol(buf, NULL, 10);
1173
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001174 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001175 data->temp_crit[nr] = TEMP_TO_REG(val);
1176 adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1177 data->temp_crit[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001178 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001179 return count;
1180}
1181
Yani Ioannou050480f2005-06-05 10:51:46 +02001182#define temp_crit_reg(offset) \
1183static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1184 show_temp_crit, set_temp_crit, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001185
1186temp_crit_reg(1);
1187temp_crit_reg(2);
1188temp_crit_reg(3);
1189
Yani Ioannou74880c02005-05-17 06:41:12 -04001190static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001191{
1192 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001193 return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001194}
Yani Ioannou74880c02005-05-17 06:41:12 -04001195static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001196 size_t count)
1197{
1198 struct i2c_client *client = to_i2c_client(dev);
1199 struct adm1026_data *data = i2c_get_clientdata(client);
1200 int val = simple_strtol(buf, NULL, 10);
1201
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001202 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001203 data->analog_out = DAC_TO_REG(val);
1204 adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001205 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001206 return count;
1207}
1208
Jean Delvarecb01a232007-11-29 23:46:42 +01001209static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001210 set_analog_out_reg);
1211
Yani Ioannou74880c02005-05-17 06:41:12 -04001212static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001213{
1214 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarea0cf3542008-10-17 17:51:20 +02001215 int vid = (data->gpio >> 11) & 0x1f;
1216
1217 dev_dbg(dev, "Setting VID from GPIO11-15.\n");
1218 return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001219}
Grant Coady937df8d2005-05-12 11:59:29 +10001220static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001221
Yani Ioannou74880c02005-05-17 06:41:12 -04001222static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001223{
Jean Delvare90d66192007-10-08 18:24:35 +02001224 struct adm1026_data *data = dev_get_drvdata(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001225 return sprintf(buf, "%d\n", data->vrm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001226}
Yani Ioannou74880c02005-05-17 06:41:12 -04001227static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001228 size_t count)
1229{
Jean Delvaref67fdab2007-12-01 11:24:17 +01001230 struct adm1026_data *data = dev_get_drvdata(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001231
1232 data->vrm = simple_strtol(buf, NULL, 10);
1233 return count;
1234}
1235
1236static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
1237
Yani Ioannou74880c02005-05-17 06:41:12 -04001238static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001239{
1240 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvaref67fdab2007-12-01 11:24:17 +01001241 return sprintf(buf, "%ld\n", data->alarms);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001242}
1243
1244static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
1245
Jean Delvarea9273cb2007-11-29 23:45:22 +01001246static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
1247 char *buf)
1248{
1249 struct adm1026_data *data = adm1026_update_device(dev);
1250 int bitnr = to_sensor_dev_attr(attr)->index;
1251 return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
1252}
1253
1254static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0);
1255static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1);
1256static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 1);
1257static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 2);
1258static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 3);
1259static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 4);
1260static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 5);
1261static SENSOR_DEVICE_ATTR(in15_alarm, S_IRUGO, show_alarm, NULL, 6);
1262static SENSOR_DEVICE_ATTR(in16_alarm, S_IRUGO, show_alarm, NULL, 7);
1263static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
1264static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
1265static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
1266static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
1267static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
1268static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
1269static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
1270static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
1271static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
1272static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
1273static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
1274static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 19);
1275static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 20);
1276static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 21);
1277static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 22);
1278static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, 23);
1279static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
1280static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
1281static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
1282
Yani Ioannou74880c02005-05-17 06:41:12 -04001283static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001284{
1285 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001286 return sprintf(buf, "%ld\n", data->alarm_mask);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001287}
Yani Ioannou74880c02005-05-17 06:41:12 -04001288static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001289 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 unsigned long mask;
1295
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001296 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001297 data->alarm_mask = val & 0x7fffffff;
1298 mask = data->alarm_mask
1299 | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1300 adm1026_write_value(client, ADM1026_REG_MASK1,
1301 mask & 0xff);
1302 mask >>= 8;
1303 adm1026_write_value(client, ADM1026_REG_MASK2,
1304 mask & 0xff);
1305 mask >>= 8;
1306 adm1026_write_value(client, ADM1026_REG_MASK3,
1307 mask & 0xff);
1308 mask >>= 8;
1309 adm1026_write_value(client, ADM1026_REG_MASK4,
1310 mask & 0xff);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001311 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001312 return count;
1313}
1314
1315static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
1316 set_alarm_mask);
1317
1318
Yani Ioannou74880c02005-05-17 06:41:12 -04001319static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001320{
1321 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001322 return sprintf(buf, "%ld\n", data->gpio);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001323}
Yani Ioannou74880c02005-05-17 06:41:12 -04001324static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001325 size_t count)
1326{
1327 struct i2c_client *client = to_i2c_client(dev);
1328 struct adm1026_data *data = i2c_get_clientdata(client);
1329 int val = simple_strtol(buf, NULL, 10);
Jean Delvarecb01a232007-11-29 23:46:42 +01001330 long gpio;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001331
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001332 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001333 data->gpio = val & 0x1ffff;
1334 gpio = data->gpio;
Jean Delvarecb01a232007-11-29 23:46:42 +01001335 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001336 gpio >>= 8;
Jean Delvarecb01a232007-11-29 23:46:42 +01001337 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001338 gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
Jean Delvarecb01a232007-11-29 23:46:42 +01001339 adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001340 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001341 return count;
1342}
1343
1344static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
1345
1346
Yani Ioannou74880c02005-05-17 06:41:12 -04001347static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001348{
1349 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001350 return sprintf(buf, "%ld\n", data->gpio_mask);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001351}
Yani Ioannou74880c02005-05-17 06:41:12 -04001352static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001353 size_t count)
1354{
1355 struct i2c_client *client = to_i2c_client(dev);
1356 struct adm1026_data *data = i2c_get_clientdata(client);
1357 int val = simple_strtol(buf, NULL, 10);
Jean Delvarecb01a232007-11-29 23:46:42 +01001358 long mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001359
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001360 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001361 data->gpio_mask = val & 0x1ffff;
1362 mask = data->gpio_mask;
Jean Delvarecb01a232007-11-29 23:46:42 +01001363 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001364 mask >>= 8;
Jean Delvarecb01a232007-11-29 23:46:42 +01001365 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001366 mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
Jean Delvarecb01a232007-11-29 23:46:42 +01001367 adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001368 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001369 return count;
1370}
1371
1372static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
1373
Yani Ioannou74880c02005-05-17 06:41:12 -04001374static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001375{
1376 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001377 return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001378}
Yani Ioannou74880c02005-05-17 06:41:12 -04001379static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001380 size_t count)
1381{
1382 struct i2c_client *client = to_i2c_client(dev);
1383 struct adm1026_data *data = i2c_get_clientdata(client);
1384
1385 if (data->pwm1.enable == 1) {
1386 int val = simple_strtol(buf, NULL, 10);
1387
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001388 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001389 data->pwm1.pwm = PWM_TO_REG(val);
1390 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001391 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001392 }
1393 return count;
1394}
Yani Ioannou74880c02005-05-17 06:41:12 -04001395static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001396{
1397 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001398 return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001399}
Yani Ioannou74880c02005-05-17 06:41:12 -04001400static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001401 size_t count)
1402{
1403 struct i2c_client *client = to_i2c_client(dev);
1404 struct adm1026_data *data = i2c_get_clientdata(client);
1405 int val = simple_strtol(buf, NULL, 10);
1406
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001407 mutex_lock(&data->update_lock);
Jean Delvarecb01a232007-11-29 23:46:42 +01001408 data->pwm1.auto_pwm_min = SENSORS_LIMIT(val, 0, 255);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001409 if (data->pwm1.enable == 2) { /* apply immediately */
1410 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
Jean Delvarecb01a232007-11-29 23:46:42 +01001411 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001412 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1413 }
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001414 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001415 return count;
1416}
Yani Ioannou74880c02005-05-17 06:41:12 -04001417static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001418{
Jean Delvarecb01a232007-11-29 23:46:42 +01001419 return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001420}
Yani Ioannou74880c02005-05-17 06:41:12 -04001421static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001422{
1423 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001424 return sprintf(buf, "%d\n", data->pwm1.enable);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001425}
Yani Ioannou74880c02005-05-17 06:41:12 -04001426static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001427 size_t count)
1428{
1429 struct i2c_client *client = to_i2c_client(dev);
1430 struct adm1026_data *data = i2c_get_clientdata(client);
1431 int val = simple_strtol(buf, NULL, 10);
Jean Delvarecb01a232007-11-29 23:46:42 +01001432 int old_enable;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001433
1434 if ((val >= 0) && (val < 3)) {
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001435 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001436 old_enable = data->pwm1.enable;
1437 data->pwm1.enable = val;
1438 data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1439 | ((val == 2) ? CFG1_PWM_AFC : 0);
1440 adm1026_write_value(client, ADM1026_REG_CONFIG1,
1441 data->config1);
Jean Delvarecb01a232007-11-29 23:46:42 +01001442 if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001443 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
Jean Delvarecb01a232007-11-29 23:46:42 +01001444 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1445 adm1026_write_value(client, ADM1026_REG_PWM,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001446 data->pwm1.pwm);
1447 } else if (!((old_enable == 1) && (val == 1))) {
1448 /* set pwm to safe value */
1449 data->pwm1.pwm = 255;
Jean Delvarecb01a232007-11-29 23:46:42 +01001450 adm1026_write_value(client, ADM1026_REG_PWM,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001451 data->pwm1.pwm);
1452 }
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001453 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001454 }
1455 return count;
1456}
1457
1458/* enable PWM fan control */
Jean Delvarecb01a232007-11-29 23:46:42 +01001459static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1460static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1461static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1462static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001463 set_pwm_enable);
Jean Delvarecb01a232007-11-29 23:46:42 +01001464static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001465 set_pwm_enable);
Jean Delvarecb01a232007-11-29 23:46:42 +01001466static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001467 set_pwm_enable);
Jean Delvarecb01a232007-11-29 23:46:42 +01001468static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001469 show_auto_pwm_min, set_auto_pwm_min);
Jean Delvarecb01a232007-11-29 23:46:42 +01001470static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001471 show_auto_pwm_min, set_auto_pwm_min);
Jean Delvarecb01a232007-11-29 23:46:42 +01001472static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001473 show_auto_pwm_min, set_auto_pwm_min);
1474
1475static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1476static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1477static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1478
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001479static struct attribute *adm1026_attributes[] = {
1480 &sensor_dev_attr_in0_input.dev_attr.attr,
1481 &sensor_dev_attr_in0_max.dev_attr.attr,
1482 &sensor_dev_attr_in0_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001483 &sensor_dev_attr_in0_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001484 &sensor_dev_attr_in1_input.dev_attr.attr,
1485 &sensor_dev_attr_in1_max.dev_attr.attr,
1486 &sensor_dev_attr_in1_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001487 &sensor_dev_attr_in1_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001488 &sensor_dev_attr_in2_input.dev_attr.attr,
1489 &sensor_dev_attr_in2_max.dev_attr.attr,
1490 &sensor_dev_attr_in2_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001491 &sensor_dev_attr_in2_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001492 &sensor_dev_attr_in3_input.dev_attr.attr,
1493 &sensor_dev_attr_in3_max.dev_attr.attr,
1494 &sensor_dev_attr_in3_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001495 &sensor_dev_attr_in3_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001496 &sensor_dev_attr_in4_input.dev_attr.attr,
1497 &sensor_dev_attr_in4_max.dev_attr.attr,
1498 &sensor_dev_attr_in4_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001499 &sensor_dev_attr_in4_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001500 &sensor_dev_attr_in5_input.dev_attr.attr,
1501 &sensor_dev_attr_in5_max.dev_attr.attr,
1502 &sensor_dev_attr_in5_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001503 &sensor_dev_attr_in5_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001504 &sensor_dev_attr_in6_input.dev_attr.attr,
1505 &sensor_dev_attr_in6_max.dev_attr.attr,
1506 &sensor_dev_attr_in6_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001507 &sensor_dev_attr_in6_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001508 &sensor_dev_attr_in7_input.dev_attr.attr,
1509 &sensor_dev_attr_in7_max.dev_attr.attr,
1510 &sensor_dev_attr_in7_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001511 &sensor_dev_attr_in7_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001512 &sensor_dev_attr_in10_input.dev_attr.attr,
1513 &sensor_dev_attr_in10_max.dev_attr.attr,
1514 &sensor_dev_attr_in10_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001515 &sensor_dev_attr_in10_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001516 &sensor_dev_attr_in11_input.dev_attr.attr,
1517 &sensor_dev_attr_in11_max.dev_attr.attr,
1518 &sensor_dev_attr_in11_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001519 &sensor_dev_attr_in11_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001520 &sensor_dev_attr_in12_input.dev_attr.attr,
1521 &sensor_dev_attr_in12_max.dev_attr.attr,
1522 &sensor_dev_attr_in12_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001523 &sensor_dev_attr_in12_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001524 &sensor_dev_attr_in13_input.dev_attr.attr,
1525 &sensor_dev_attr_in13_max.dev_attr.attr,
1526 &sensor_dev_attr_in13_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001527 &sensor_dev_attr_in13_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001528 &sensor_dev_attr_in14_input.dev_attr.attr,
1529 &sensor_dev_attr_in14_max.dev_attr.attr,
1530 &sensor_dev_attr_in14_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001531 &sensor_dev_attr_in14_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001532 &sensor_dev_attr_in15_input.dev_attr.attr,
1533 &sensor_dev_attr_in15_max.dev_attr.attr,
1534 &sensor_dev_attr_in15_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001535 &sensor_dev_attr_in15_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001536 &sensor_dev_attr_in16_input.dev_attr.attr,
1537 &sensor_dev_attr_in16_max.dev_attr.attr,
1538 &sensor_dev_attr_in16_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001539 &sensor_dev_attr_in16_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001540 &sensor_dev_attr_fan1_input.dev_attr.attr,
1541 &sensor_dev_attr_fan1_div.dev_attr.attr,
1542 &sensor_dev_attr_fan1_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001543 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001544 &sensor_dev_attr_fan2_input.dev_attr.attr,
1545 &sensor_dev_attr_fan2_div.dev_attr.attr,
1546 &sensor_dev_attr_fan2_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001547 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001548 &sensor_dev_attr_fan3_input.dev_attr.attr,
1549 &sensor_dev_attr_fan3_div.dev_attr.attr,
1550 &sensor_dev_attr_fan3_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001551 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001552 &sensor_dev_attr_fan4_input.dev_attr.attr,
1553 &sensor_dev_attr_fan4_div.dev_attr.attr,
1554 &sensor_dev_attr_fan4_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001555 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001556 &sensor_dev_attr_fan5_input.dev_attr.attr,
1557 &sensor_dev_attr_fan5_div.dev_attr.attr,
1558 &sensor_dev_attr_fan5_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001559 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001560 &sensor_dev_attr_fan6_input.dev_attr.attr,
1561 &sensor_dev_attr_fan6_div.dev_attr.attr,
1562 &sensor_dev_attr_fan6_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001563 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001564 &sensor_dev_attr_fan7_input.dev_attr.attr,
1565 &sensor_dev_attr_fan7_div.dev_attr.attr,
1566 &sensor_dev_attr_fan7_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001567 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001568 &sensor_dev_attr_fan8_input.dev_attr.attr,
1569 &sensor_dev_attr_fan8_div.dev_attr.attr,
1570 &sensor_dev_attr_fan8_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001571 &sensor_dev_attr_fan8_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001572 &sensor_dev_attr_temp1_input.dev_attr.attr,
1573 &sensor_dev_attr_temp1_max.dev_attr.attr,
1574 &sensor_dev_attr_temp1_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001575 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001576 &sensor_dev_attr_temp2_input.dev_attr.attr,
1577 &sensor_dev_attr_temp2_max.dev_attr.attr,
1578 &sensor_dev_attr_temp2_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001579 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001580 &sensor_dev_attr_temp1_offset.dev_attr.attr,
1581 &sensor_dev_attr_temp2_offset.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001582 &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
1583 &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001584 &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
1585 &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001586 &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
1587 &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001588 &sensor_dev_attr_temp1_crit.dev_attr.attr,
1589 &sensor_dev_attr_temp2_crit.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001590 &dev_attr_temp1_crit_enable.attr,
1591 &dev_attr_temp2_crit_enable.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001592 &dev_attr_cpu0_vid.attr,
1593 &dev_attr_vrm.attr,
1594 &dev_attr_alarms.attr,
1595 &dev_attr_alarm_mask.attr,
1596 &dev_attr_gpio.attr,
1597 &dev_attr_gpio_mask.attr,
1598 &dev_attr_pwm1.attr,
1599 &dev_attr_pwm2.attr,
1600 &dev_attr_pwm3.attr,
1601 &dev_attr_pwm1_enable.attr,
1602 &dev_attr_pwm2_enable.attr,
1603 &dev_attr_pwm3_enable.attr,
1604 &dev_attr_temp1_auto_point1_pwm.attr,
1605 &dev_attr_temp2_auto_point1_pwm.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001606 &dev_attr_temp1_auto_point2_pwm.attr,
1607 &dev_attr_temp2_auto_point2_pwm.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001608 &dev_attr_analog_out.attr,
1609 NULL
1610};
1611
1612static const struct attribute_group adm1026_group = {
1613 .attrs = adm1026_attributes,
1614};
1615
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001616static struct attribute *adm1026_attributes_temp3[] = {
1617 &sensor_dev_attr_temp3_input.dev_attr.attr,
1618 &sensor_dev_attr_temp3_max.dev_attr.attr,
1619 &sensor_dev_attr_temp3_min.dev_attr.attr,
1620 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1621 &sensor_dev_attr_temp3_offset.dev_attr.attr,
1622 &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
1623 &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
1624 &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
1625 &sensor_dev_attr_temp3_crit.dev_attr.attr,
1626 &dev_attr_temp3_crit_enable.attr,
1627 &dev_attr_temp3_auto_point1_pwm.attr,
1628 &dev_attr_temp3_auto_point2_pwm.attr,
Jean Delvare1d5f2c12008-02-10 19:01:15 +01001629 NULL
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001630};
1631
1632static const struct attribute_group adm1026_group_temp3 = {
1633 .attrs = adm1026_attributes_temp3,
1634};
1635
1636static struct attribute *adm1026_attributes_in8_9[] = {
1637 &sensor_dev_attr_in8_input.dev_attr.attr,
1638 &sensor_dev_attr_in8_max.dev_attr.attr,
1639 &sensor_dev_attr_in8_min.dev_attr.attr,
1640 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1641 &sensor_dev_attr_in9_input.dev_attr.attr,
1642 &sensor_dev_attr_in9_max.dev_attr.attr,
1643 &sensor_dev_attr_in9_min.dev_attr.attr,
1644 &sensor_dev_attr_in9_alarm.dev_attr.attr,
Jean Delvare1d5f2c12008-02-10 19:01:15 +01001645 NULL
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001646};
1647
1648static const struct attribute_group adm1026_group_in8_9 = {
1649 .attrs = adm1026_attributes_in8_9,
1650};
1651
Jean Delvare57f7eb02008-07-16 19:30:08 +02001652/* Return 0 if detection is successful, -ENODEV otherwise */
1653static int adm1026_detect(struct i2c_client *client, int kind,
1654 struct i2c_board_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001655{
Jean Delvare57f7eb02008-07-16 19:30:08 +02001656 struct i2c_adapter *adapter = client->adapter;
1657 int address = client->addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001658 int company, verstep;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001659
1660 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1661 /* We need to be able to do byte I/O */
Jean Delvare57f7eb02008-07-16 19:30:08 +02001662 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001663 };
1664
Linus Torvalds1da177e2005-04-16 15:20:36 -07001665 /* Now, we do the remaining detection. */
1666
Jean Delvaref67fdab2007-12-01 11:24:17 +01001667 company = adm1026_read_value(client, ADM1026_REG_COMPANY);
1668 verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001669
Jean Delvare57f7eb02008-07-16 19:30:08 +02001670 dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001671 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
Jean Delvaref67fdab2007-12-01 11:24:17 +01001672 i2c_adapter_id(client->adapter), client->addr,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001673 company, verstep);
1674
1675 /* If auto-detecting, Determine the chip type. */
1676 if (kind <= 0) {
Jean Delvare57f7eb02008-07-16 19:30:08 +02001677 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x "
Linus Torvalds1da177e2005-04-16 15:20:36 -07001678 "...\n", i2c_adapter_id(adapter), address);
1679 if (company == ADM1026_COMPANY_ANALOG_DEV
1680 && verstep == ADM1026_VERSTEP_ADM1026) {
1681 kind = adm1026;
1682 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1683 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
Jean Delvare885fe4b2008-10-17 17:51:20 +02001684 dev_err(&adapter->dev, "Unrecognized stepping "
Linus Torvalds1da177e2005-04-16 15:20:36 -07001685 "0x%02x. Defaulting to ADM1026.\n", verstep);
1686 kind = adm1026;
1687 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
Jean Delvare885fe4b2008-10-17 17:51:20 +02001688 dev_err(&adapter->dev, "Found version/stepping "
Linus Torvalds1da177e2005-04-16 15:20:36 -07001689 "0x%02x. Assuming generic ADM1026.\n",
1690 verstep);
1691 kind = any_chip;
1692 } else {
Jean Delvare885fe4b2008-10-17 17:51:20 +02001693 dev_dbg(&adapter->dev, "Autodetection failed\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001694 /* Not an ADM1026 ... */
Jean Delvarecb01a232007-11-29 23:46:42 +01001695 if (kind == 0) { /* User used force=x,y */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001696 dev_err(&adapter->dev, "Generic ADM1026 not "
1697 "found at %d,0x%02x. Try "
1698 "force_adm1026.\n",
1699 i2c_adapter_id(adapter), address);
1700 }
Jean Delvare57f7eb02008-07-16 19:30:08 +02001701 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001702 }
1703 }
Jean Delvare57f7eb02008-07-16 19:30:08 +02001704 strlcpy(info->type, "adm1026", I2C_NAME_SIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001705
Jean Delvare57f7eb02008-07-16 19:30:08 +02001706 return 0;
1707}
1708
1709static int adm1026_probe(struct i2c_client *client,
1710 const struct i2c_device_id *id)
1711{
1712 struct adm1026_data *data;
1713 int err;
1714
1715 data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL);
1716 if (!data) {
1717 err = -ENOMEM;
1718 goto exit;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001719 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001720
Jean Delvare57f7eb02008-07-16 19:30:08 +02001721 i2c_set_clientdata(client, data);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001722 mutex_init(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001723
Linus Torvalds1da177e2005-04-16 15:20:36 -07001724 /* Set the VRM version */
Jean Delvare303760b2005-07-31 21:52:01 +02001725 data->vrm = vid_which_vrm();
Linus Torvalds1da177e2005-04-16 15:20:36 -07001726
1727 /* Initialize the ADM1026 chip */
Jean Delvaref67fdab2007-12-01 11:24:17 +01001728 adm1026_init_client(client);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001729
1730 /* Register sysfs hooks */
Jean Delvaref67fdab2007-12-01 11:24:17 +01001731 if ((err = sysfs_create_group(&client->dev.kobj, &adm1026_group)))
Jean Delvare57f7eb02008-07-16 19:30:08 +02001732 goto exitfree;
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001733 if (data->config1 & CFG1_AIN8_9)
1734 err = sysfs_create_group(&client->dev.kobj,
1735 &adm1026_group_in8_9);
1736 else
1737 err = sysfs_create_group(&client->dev.kobj,
1738 &adm1026_group_temp3);
1739 if (err)
1740 goto exitremove;
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001741
Jean Delvaref67fdab2007-12-01 11:24:17 +01001742 data->hwmon_dev = hwmon_device_register(&client->dev);
Tony Jones1beeffe2007-08-20 13:46:20 -07001743 if (IS_ERR(data->hwmon_dev)) {
1744 err = PTR_ERR(data->hwmon_dev);
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001745 goto exitremove;
Mark M. Hoffman943b0832005-07-15 21:39:18 -04001746 }
1747
Linus Torvalds1da177e2005-04-16 15:20:36 -07001748 return 0;
1749
1750 /* Error out and cleanup code */
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001751exitremove:
Jean Delvaref67fdab2007-12-01 11:24:17 +01001752 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001753 if (data->config1 & CFG1_AIN8_9)
1754 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1755 else
1756 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001757exitfree:
Alexey Dobriyan1f57ff82005-08-26 01:49:14 +04001758 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001759exit:
1760 return err;
1761}
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001762
Jean Delvare57f7eb02008-07-16 19:30:08 +02001763static int adm1026_remove(struct i2c_client *client)
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001764{
1765 struct adm1026_data *data = i2c_get_clientdata(client);
Tony Jones1beeffe2007-08-20 13:46:20 -07001766 hwmon_device_unregister(data->hwmon_dev);
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001767 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001768 if (data->config1 & CFG1_AIN8_9)
1769 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1770 else
1771 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001772 kfree(data);
1773 return 0;
1774}
1775
Linus Torvalds1da177e2005-04-16 15:20:36 -07001776static int __init sm_adm1026_init(void)
1777{
1778 return i2c_add_driver(&adm1026_driver);
1779}
1780
Jean Delvarecb01a232007-11-29 23:46:42 +01001781static void __exit sm_adm1026_exit(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001782{
1783 i2c_del_driver(&adm1026_driver);
1784}
1785
1786MODULE_LICENSE("GPL");
1787MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
Jean Delvarecb01a232007-11-29 23:46:42 +01001788 "Justin Thiessen <jthiessen@penguincomputing.com>");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001789MODULE_DESCRIPTION("ADM1026 driver");
1790
1791module_init(sm_adm1026_init);
1792module_exit(sm_adm1026_exit);