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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Guenter Roeck86aa3e22012-01-14 12:51:15 -08002 * adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
3 * monitoring
4 * Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
5 * Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
6 *
7 * Chip details at:
8 *
9 * <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
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
Jean Delvarecb01a232007-11-29 23:46:42 +010040static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
41 -1, -1, -1, -1, -1, -1, -1, -1 };
Linus Torvalds1da177e2005-04-16 15:20:36 -070042static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
43 -1, -1, -1, -1, -1, -1, -1, -1 };
44static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
45 -1, -1, -1, -1, -1, -1, -1, -1 };
46static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
47 -1, -1, -1, -1, -1, -1, -1, -1 };
48static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
Jean Delvarecb01a232007-11-29 23:46:42 +010049module_param_array(gpio_input, int, NULL, 0);
50MODULE_PARM_DESC(gpio_input, "List of GPIO pins (0-16) to program as inputs");
51module_param_array(gpio_output, int, NULL, 0);
52MODULE_PARM_DESC(gpio_output, "List of GPIO pins (0-16) to program as "
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 "outputs");
Jean Delvarecb01a232007-11-29 23:46:42 +010054module_param_array(gpio_inverted, int, NULL, 0);
55MODULE_PARM_DESC(gpio_inverted, "List of GPIO pins (0-16) to program as "
Linus Torvalds1da177e2005-04-16 15:20:36 -070056 "inverted");
Jean Delvarecb01a232007-11-29 23:46:42 +010057module_param_array(gpio_normal, int, NULL, 0);
58MODULE_PARM_DESC(gpio_normal, "List of GPIO pins (0-16) to program as "
Linus Torvalds1da177e2005-04-16 15:20:36 -070059 "normal/non-inverted");
Jean Delvarecb01a232007-11-29 23:46:42 +010060module_param_array(gpio_fan, int, NULL, 0);
61MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
Linus Torvalds1da177e2005-04-16 15:20:36 -070062
63/* Many ADM1026 constants specified below */
64
65/* The ADM1026 registers */
Jean Delvarecb01a232007-11-29 23:46:42 +010066#define ADM1026_REG_CONFIG1 0x00
67#define CFG1_MONITOR 0x01
68#define CFG1_INT_ENABLE 0x02
69#define CFG1_INT_CLEAR 0x04
70#define CFG1_AIN8_9 0x08
71#define CFG1_THERM_HOT 0x10
72#define CFG1_DAC_AFC 0x20
73#define CFG1_PWM_AFC 0x40
74#define CFG1_RESET 0x80
75
76#define ADM1026_REG_CONFIG2 0x01
Linus Torvalds1da177e2005-04-16 15:20:36 -070077/* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
Jean Delvarecb01a232007-11-29 23:46:42 +010078
79#define ADM1026_REG_CONFIG3 0x07
80#define CFG3_GPIO16_ENABLE 0x01
81#define CFG3_CI_CLEAR 0x02
82#define CFG3_VREF_250 0x04
83#define CFG3_GPIO16_DIR 0x40
84#define CFG3_GPIO16_POL 0x80
85
86#define ADM1026_REG_E2CONFIG 0x13
87#define E2CFG_READ 0x01
88#define E2CFG_WRITE 0x02
89#define E2CFG_ERASE 0x04
90#define E2CFG_ROM 0x08
91#define E2CFG_CLK_EXT 0x80
Linus Torvalds1da177e2005-04-16 15:20:36 -070092
Guenter Roeck86aa3e22012-01-14 12:51:15 -080093/*
94 * There are 10 general analog inputs and 7 dedicated inputs
Linus Torvalds1da177e2005-04-16 15:20:36 -070095 * They are:
96 * 0 - 9 = AIN0 - AIN9
97 * 10 = Vbat
98 * 11 = 3.3V Standby
99 * 12 = 3.3V Main
100 * 13 = +5V
101 * 14 = Vccp (CPU core voltage)
102 * 15 = +12V
103 * 16 = -12V
104 */
105static u16 ADM1026_REG_IN[] = {
106 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
107 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
108 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
109 };
110static u16 ADM1026_REG_IN_MIN[] = {
111 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
112 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
113 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
114 };
115static u16 ADM1026_REG_IN_MAX[] = {
116 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
117 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
118 0x43, 0x44, 0x45, 0x46, 0x47
119 };
120
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800121/*
122 * Temperatures are:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123 * 0 - Internal
124 * 1 - External 1
125 * 2 - External 2
126 */
127static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
128static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
129static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
130static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
131static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
132static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
133
Jean Delvarecb01a232007-11-29 23:46:42 +0100134#define ADM1026_REG_FAN(nr) (0x38 + (nr))
135#define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
136#define ADM1026_REG_FAN_DIV_0_3 0x02
137#define ADM1026_REG_FAN_DIV_4_7 0x03
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138
Jean Delvarecb01a232007-11-29 23:46:42 +0100139#define ADM1026_REG_DAC 0x04
140#define ADM1026_REG_PWM 0x05
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141
Jean Delvarecb01a232007-11-29 23:46:42 +0100142#define ADM1026_REG_GPIO_CFG_0_3 0x08
143#define ADM1026_REG_GPIO_CFG_4_7 0x09
144#define ADM1026_REG_GPIO_CFG_8_11 0x0a
145#define ADM1026_REG_GPIO_CFG_12_15 0x0b
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146/* CFG_16 in REG_CFG3 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100147#define ADM1026_REG_GPIO_STATUS_0_7 0x24
148#define ADM1026_REG_GPIO_STATUS_8_15 0x25
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149/* STATUS_16 in REG_STATUS4 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100150#define ADM1026_REG_GPIO_MASK_0_7 0x1c
151#define ADM1026_REG_GPIO_MASK_8_15 0x1d
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152/* MASK_16 in REG_MASK4 */
153
Jean Delvarecb01a232007-11-29 23:46:42 +0100154#define ADM1026_REG_COMPANY 0x16
155#define ADM1026_REG_VERSTEP 0x17
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156/* These are the recognized values for the above regs */
Jean Delvarecb01a232007-11-29 23:46:42 +0100157#define ADM1026_COMPANY_ANALOG_DEV 0x41
158#define ADM1026_VERSTEP_GENERIC 0x40
159#define ADM1026_VERSTEP_ADM1026 0x44
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160
Jean Delvarecb01a232007-11-29 23:46:42 +0100161#define ADM1026_REG_MASK1 0x18
162#define ADM1026_REG_MASK2 0x19
163#define ADM1026_REG_MASK3 0x1a
164#define ADM1026_REG_MASK4 0x1b
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165
Jean Delvarecb01a232007-11-29 23:46:42 +0100166#define ADM1026_REG_STATUS1 0x20
167#define ADM1026_REG_STATUS2 0x21
168#define ADM1026_REG_STATUS3 0x22
169#define ADM1026_REG_STATUS4 0x23
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170
171#define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
Jean Delvarecb01a232007-11-29 23:46:42 +0100172#define ADM1026_FAN_CONTROL_TEMP_RANGE 20
173#define ADM1026_PWM_MAX 255
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800175/*
176 * 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
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800181/*
182 * IN are scaled according to built-in resistors. These are the
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183 * voltages corresponding to 3/4 of full scale (192 or 0xc0)
184 * NOTE: The -12V input needs an additional factor to account
185 * for the Vref pullup resistor.
186 * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
187 * = 13875 * 2.50 / 1.875 - 2500
188 * = 16000
189 *
190 * The values in this table are based on Table II, page 15 of the
191 * datasheet.
192 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100193static int adm1026_scaling[] = { /* .001 Volts */
194 2250, 2250, 2250, 2250, 2250, 2250,
195 1875, 1875, 1875, 1875, 3000, 3330,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196 3330, 4995, 2250, 12000, 13875
197 };
198#define NEG12_OFFSET 16000
Jean Delvarecb01a232007-11-29 23:46:42 +0100199#define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
Guenter Roeck2a844c12013-01-09 08:09:34 -0800200#define INS_TO_REG(n, val) (clamp_val(SCALE(val, adm1026_scaling[n], 192),\
Jean Delvarecb01a232007-11-29 23:46:42 +0100201 0, 255))
202#define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800204/*
205 * FAN speed is measured using 22.5kHz clock and counts for 2 pulses
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206 * and we assume a 2 pulse-per-rev fan tach signal
207 * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
208 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100209#define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
Guenter Roeck2a844c12013-01-09 08:09:34 -0800210 clamp_val(1350000 / ((val) * (div)), \
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800211 1, 254))
212#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 0xff ? 0 : \
213 1350000 / ((val) * (div)))
214#define DIV_FROM_REG(val) (1 << (val))
Jean Delvarecb01a232007-11-29 23:46:42 +0100215#define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216
217/* Temperature is reported in 1 degC increments */
Guenter Roeck2a844c12013-01-09 08:09:34 -0800218#define TEMP_TO_REG(val) (clamp_val(((val) + ((val) < 0 ? -500 : 500)) \
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800219 / 1000, -127, 127))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220#define TEMP_FROM_REG(val) ((val) * 1000)
Guenter Roeck2a844c12013-01-09 08:09:34 -0800221#define OFFSET_TO_REG(val) (clamp_val(((val) + ((val) < 0 ? -500 : 500)) \
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800222 / 1000, -127, 127))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223#define OFFSET_FROM_REG(val) ((val) * 1000)
224
Guenter Roeck2a844c12013-01-09 08:09:34 -0800225#define PWM_TO_REG(val) (clamp_val(val, 0, 255))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700226#define PWM_FROM_REG(val) (val)
227
228#define PWM_MIN_TO_REG(val) ((val) & 0xf0)
229#define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
230
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800231/*
232 * Analog output is a voltage, and scaled to millivolts. The datasheet
Jean Delvarecb01a232007-11-29 23:46:42 +0100233 * indicates that the DAC could be used to drive the fans, but in our
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234 * example board (Arima HDAMA) it isn't connected to the fans at all.
235 */
Guenter Roeck2a844c12013-01-09 08:09:34 -0800236#define DAC_TO_REG(val) (clamp_val(((((val) * 255) + 500) / 2500), 0, 255))
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800237#define DAC_FROM_REG(val) (((val) * 2500) / 255)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800239/*
240 * Chip sampling rates
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241 *
242 * Some sensors are not updated more frequently than once per second
243 * so it doesn't make sense to read them more often than that.
244 * We cache the results and return the saved data if the driver
245 * is called again before a second has elapsed.
246 *
247 * Also, there is significant configuration data for this chip
248 * So, we keep the config data up to date in the cache
249 * when it is written and only sample it once every 5 *minutes*
250 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100251#define ADM1026_DATA_INTERVAL (1 * HZ)
252#define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800254/*
255 * We allow for multiple chips in a single system.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256 *
257 * For each registered ADM1026, we need to keep state information
258 * at client->data. The adm1026_data structure is dynamically
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800259 * allocated, when a new client structure is allocated.
260 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261
262struct pwm_data {
263 u8 pwm;
264 u8 enable;
265 u8 auto_pwm_min;
266};
267
268struct adm1026_data {
Tony Jones1beeffe2007-08-20 13:46:20 -0700269 struct device *hwmon_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100271 struct mutex update_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272 int valid; /* !=0 if following fields are valid */
273 unsigned long last_reading; /* In jiffies */
274 unsigned long last_config; /* In jiffies */
275
Jean Delvarecb01a232007-11-29 23:46:42 +0100276 u8 in[17]; /* Register value */
277 u8 in_max[17]; /* Register value */
278 u8 in_min[17]; /* Register value */
279 s8 temp[3]; /* Register value */
280 s8 temp_min[3]; /* Register value */
281 s8 temp_max[3]; /* Register value */
282 s8 temp_tmin[3]; /* Register value */
283 s8 temp_crit[3]; /* Register value */
284 s8 temp_offset[3]; /* Register value */
285 u8 fan[8]; /* Register value */
286 u8 fan_min[8]; /* Register value */
287 u8 fan_div[8]; /* Decoded value */
288 struct pwm_data pwm1; /* Pwm control values */
Jean Delvarecb01a232007-11-29 23:46:42 +0100289 u8 vrm; /* VRM version */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290 u8 analog_out; /* Register value (DAC) */
Jean Delvarecb01a232007-11-29 23:46:42 +0100291 long alarms; /* Register encoding, combined */
292 long alarm_mask; /* Register encoding, combined */
293 long gpio; /* Register encoding, combined */
294 long gpio_mask; /* Register encoding, combined */
295 u8 gpio_config[17]; /* Decoded value */
296 u8 config1; /* Register value */
297 u8 config2; /* Register value */
298 u8 config3; /* Register value */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700299};
300
Jean Delvare57f7eb02008-07-16 19:30:08 +0200301static int adm1026_probe(struct i2c_client *client,
302 const struct i2c_device_id *id);
Jean Delvare310ec792009-12-14 21:17:23 +0100303static int adm1026_detect(struct i2c_client *client,
Jean Delvare57f7eb02008-07-16 19:30:08 +0200304 struct i2c_board_info *info);
305static int adm1026_remove(struct i2c_client *client);
Darren Jenkinsf6c27fc2006-02-27 23:14:58 +0100306static int adm1026_read_value(struct i2c_client *client, u8 reg);
307static int adm1026_write_value(struct i2c_client *client, u8 reg, int value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308static void adm1026_print_gpio(struct i2c_client *client);
Jean Delvarecb01a232007-11-29 23:46:42 +0100309static void adm1026_fixup_gpio(struct i2c_client *client);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310static struct adm1026_data *adm1026_update_device(struct device *dev);
311static void adm1026_init_client(struct i2c_client *client);
312
313
Jean Delvare57f7eb02008-07-16 19:30:08 +0200314static const struct i2c_device_id adm1026_id[] = {
Jean Delvare1f86df42009-12-14 21:17:26 +0100315 { "adm1026", 0 },
Jean Delvare57f7eb02008-07-16 19:30:08 +0200316 { }
317};
318MODULE_DEVICE_TABLE(i2c, adm1026_id);
319
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320static struct i2c_driver adm1026_driver = {
Jean Delvare57f7eb02008-07-16 19:30:08 +0200321 .class = I2C_CLASS_HWMON,
Laurent Riffardcdaf7932005-11-26 20:37:41 +0100322 .driver = {
Laurent Riffardcdaf7932005-11-26 20:37:41 +0100323 .name = "adm1026",
324 },
Jean Delvare57f7eb02008-07-16 19:30:08 +0200325 .probe = adm1026_probe,
326 .remove = adm1026_remove,
327 .id_table = adm1026_id,
328 .detect = adm1026_detect,
Jean Delvarec3813d62009-12-14 21:17:25 +0100329 .address_list = normal_i2c,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700330};
331
Ben Dooksc49efce2005-10-26 21:07:25 +0200332static int adm1026_read_value(struct i2c_client *client, u8 reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333{
334 int res;
335
336 if (reg < 0x80) {
337 /* "RAM" locations */
338 res = i2c_smbus_read_byte_data(client, reg) & 0xff;
339 } else {
340 /* EEPROM, do nothing */
341 res = 0;
342 }
343 return res;
344}
345
Ben Dooksc49efce2005-10-26 21:07:25 +0200346static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700347{
348 int res;
349
350 if (reg < 0x80) {
351 /* "RAM" locations */
352 res = i2c_smbus_write_byte_data(client, reg, value);
353 } else {
354 /* EEPROM, do nothing */
355 res = 0;
356 }
357 return res;
358}
359
Ben Dooksc49efce2005-10-26 21:07:25 +0200360static void adm1026_init_client(struct i2c_client *client)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361{
362 int value, i;
363 struct adm1026_data *data = i2c_get_clientdata(client);
364
Jean Delvarecb01a232007-11-29 23:46:42 +0100365 dev_dbg(&client->dev, "Initializing device\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700366 /* Read chip config */
367 data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
368 data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
369 data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
370
371 /* Inform user of chip config */
372 dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
373 data->config1);
374 if ((data->config1 & CFG1_MONITOR) == 0) {
375 dev_dbg(&client->dev, "Monitoring not currently "
376 "enabled.\n");
377 }
378 if (data->config1 & CFG1_INT_ENABLE) {
379 dev_dbg(&client->dev, "SMBALERT interrupts are "
380 "enabled.\n");
381 }
382 if (data->config1 & CFG1_AIN8_9) {
383 dev_dbg(&client->dev, "in8 and in9 enabled. "
384 "temp3 disabled.\n");
385 } else {
386 dev_dbg(&client->dev, "temp3 enabled. in8 and "
387 "in9 disabled.\n");
388 }
389 if (data->config1 & CFG1_THERM_HOT) {
390 dev_dbg(&client->dev, "Automatic THERM, PWM, "
391 "and temp limits enabled.\n");
392 }
393
Linus Torvalds1da177e2005-04-16 15:20:36 -0700394 if (data->config3 & CFG3_GPIO16_ENABLE) {
Jean Delvare368609c2005-07-29 12:15:07 -0700395 dev_dbg(&client->dev, "GPIO16 enabled. THERM "
Linus Torvalds1da177e2005-04-16 15:20:36 -0700396 "pin disabled.\n");
397 } else {
398 dev_dbg(&client->dev, "THERM pin enabled. "
399 "GPIO16 disabled.\n");
400 }
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800401 if (data->config3 & CFG3_VREF_250)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402 dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800403 else
Linus Torvalds1da177e2005-04-16 15:20:36 -0700404 dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700405 /* Read and pick apart the existing GPIO configuration */
406 value = 0;
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800407 for (i = 0; i <= 15; ++i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700408 if ((i & 0x03) == 0) {
409 value = adm1026_read_value(client,
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800410 ADM1026_REG_GPIO_CFG_0_3 + i / 4);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700411 }
412 data->gpio_config[i] = value & 0x03;
413 value >>= 2;
414 }
415 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
416
417 /* ... and then print it */
418 adm1026_print_gpio(client);
419
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800420 /*
421 * If the user asks us to reprogram the GPIO config, then
Linus Torvalds1da177e2005-04-16 15:20:36 -0700422 * do it now.
423 */
424 if (gpio_input[0] != -1 || gpio_output[0] != -1
425 || gpio_inverted[0] != -1 || gpio_normal[0] != -1
426 || gpio_fan[0] != -1) {
427 adm1026_fixup_gpio(client);
428 }
429
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800430 /*
431 * WE INTENTIONALLY make no changes to the limits,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432 * offsets, pwms, fans and zones. If they were
433 * configured, we don't want to mess with them.
434 * If they weren't, the default is 100% PWM, no
435 * control and will suffice until 'sensors -s'
Jean Delvarecb01a232007-11-29 23:46:42 +0100436 * can be run by the user. We DO set the default
Linus Torvalds1da177e2005-04-16 15:20:36 -0700437 * value for pwm1.auto_pwm_min to its maximum
438 * so that enabling automatic pwm fan control
Jean Delvarecb01a232007-11-29 23:46:42 +0100439 * without first setting a value for pwm1.auto_pwm_min
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440 * will not result in potentially dangerous fan speed decrease.
441 */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800442 data->pwm1.auto_pwm_min = 255;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443 /* Start monitoring */
444 value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
445 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
446 value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
447 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
448 data->config1 = value;
449 adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
450
451 /* initialize fan_div[] to hardware defaults */
452 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
453 (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800454 for (i = 0; i <= 7; ++i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
456 value >>= 2;
457 }
458}
459
Ben Dooksc49efce2005-10-26 21:07:25 +0200460static void adm1026_print_gpio(struct i2c_client *client)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700461{
462 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +0100463 int i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464
Jean Delvare885fe4b2008-10-17 17:51:20 +0200465 dev_dbg(&client->dev, "GPIO config is:\n");
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800466 for (i = 0; i <= 7; ++i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467 if (data->config2 & (1 << i)) {
468 dev_dbg(&client->dev, "\t%sGP%s%d\n",
469 data->gpio_config[i] & 0x02 ? "" : "!",
470 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
471 i);
472 } else {
473 dev_dbg(&client->dev, "\tFAN%d\n", i);
474 }
475 }
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800476 for (i = 8; i <= 15; ++i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477 dev_dbg(&client->dev, "\t%sGP%s%d\n",
478 data->gpio_config[i] & 0x02 ? "" : "!",
479 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
480 i);
481 }
482 if (data->config3 & CFG3_GPIO16_ENABLE) {
483 dev_dbg(&client->dev, "\t%sGP%s16\n",
484 data->gpio_config[16] & 0x02 ? "" : "!",
485 data->gpio_config[16] & 0x01 ? "OUT" : "IN");
486 } else {
Jean Delvarecb01a232007-11-29 23:46:42 +0100487 /* GPIO16 is THERM */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700488 dev_dbg(&client->dev, "\tTHERM\n");
489 }
490}
491
Ben Dooksc49efce2005-10-26 21:07:25 +0200492static void adm1026_fixup_gpio(struct i2c_client *client)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493{
494 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +0100495 int i;
496 int value;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497
498 /* Make the changes requested. */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800499 /*
500 * We may need to unlock/stop monitoring or soft-reset the
Linus Torvalds1da177e2005-04-16 15:20:36 -0700501 * chip before we can make changes. This hasn't been
502 * tested much. FIXME
503 */
504
505 /* Make outputs */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800506 for (i = 0; i <= 16; ++i) {
507 if (gpio_output[i] >= 0 && gpio_output[i] <= 16)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700508 data->gpio_config[gpio_output[i]] |= 0x01;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509 /* if GPIO0-7 is output, it isn't a FAN tach */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800510 if (gpio_output[i] >= 0 && gpio_output[i] <= 7)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 data->config2 |= 1 << gpio_output[i];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700512 }
513
514 /* Input overrides output */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800515 for (i = 0; i <= 16; ++i) {
516 if (gpio_input[i] >= 0 && gpio_input[i] <= 16)
517 data->gpio_config[gpio_input[i]] &= ~0x01;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518 /* if GPIO0-7 is input, it isn't a FAN tach */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800519 if (gpio_input[i] >= 0 && gpio_input[i] <= 7)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700520 data->config2 |= 1 << gpio_input[i];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700521 }
522
Jean Delvarecb01a232007-11-29 23:46:42 +0100523 /* Inverted */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800524 for (i = 0; i <= 16; ++i) {
525 if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16)
526 data->gpio_config[gpio_inverted[i]] &= ~0x02;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700527 }
528
Jean Delvarecb01a232007-11-29 23:46:42 +0100529 /* Normal overrides inverted */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800530 for (i = 0; i <= 16; ++i) {
531 if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700532 data->gpio_config[gpio_normal[i]] |= 0x02;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700533 }
534
535 /* Fan overrides input and output */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800536 for (i = 0; i <= 7; ++i) {
537 if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538 data->config2 &= ~(1 << gpio_fan[i]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700539 }
540
541 /* Write new configs to registers */
542 adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
543 data->config3 = (data->config3 & 0x3f)
544 | ((data->gpio_config[16] & 0x03) << 6);
545 adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800546 for (i = 15, value = 0; i >= 0; --i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700547 value <<= 2;
548 value |= data->gpio_config[i] & 0x03;
549 if ((i & 0x03) == 0) {
550 adm1026_write_value(client,
551 ADM1026_REG_GPIO_CFG_0_3 + i/4,
552 value);
553 value = 0;
554 }
555 }
556
557 /* Print the new config */
558 adm1026_print_gpio(client);
559}
560
561
562static struct adm1026_data *adm1026_update_device(struct device *dev)
563{
564 struct i2c_client *client = to_i2c_client(dev);
565 struct adm1026_data *data = i2c_get_clientdata(client);
566 int i;
567 long value, alarms, gpio;
568
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100569 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700570 if (!data->valid
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800571 || time_after(jiffies,
572 data->last_reading + ADM1026_DATA_INTERVAL)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700573 /* Things that change quickly */
Jean Delvarecb01a232007-11-29 23:46:42 +0100574 dev_dbg(&client->dev, "Reading sensor values\n");
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800575 for (i = 0; i <= 16; ++i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700576 data->in[i] =
577 adm1026_read_value(client, ADM1026_REG_IN[i]);
578 }
579
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800580 for (i = 0; i <= 7; ++i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700581 data->fan[i] =
582 adm1026_read_value(client, ADM1026_REG_FAN(i));
583 }
584
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800585 for (i = 0; i <= 2; ++i) {
586 /*
587 * NOTE: temp[] is s8 and we assume 2's complement
588 * "conversion" in the assignment
589 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590 data->temp[i] =
591 adm1026_read_value(client, ADM1026_REG_TEMP[i]);
592 }
593
Jean Delvarecb01a232007-11-29 23:46:42 +0100594 data->pwm1.pwm = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700595 ADM1026_REG_PWM);
Jean Delvarecb01a232007-11-29 23:46:42 +0100596 data->analog_out = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597 ADM1026_REG_DAC);
598 /* GPIO16 is MSbit of alarms, move it to gpio */
599 alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
Jean Delvarecb01a232007-11-29 23:46:42 +0100600 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601 alarms &= 0x7f;
602 alarms <<= 8;
603 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
604 alarms <<= 8;
605 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
606 alarms <<= 8;
607 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
608 data->alarms = alarms;
609
610 /* Read the GPIO values */
Jean Delvarecb01a232007-11-29 23:46:42 +0100611 gpio |= adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700612 ADM1026_REG_GPIO_STATUS_8_15);
613 gpio <<= 8;
Jean Delvarecb01a232007-11-29 23:46:42 +0100614 gpio |= adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615 ADM1026_REG_GPIO_STATUS_0_7);
616 data->gpio = gpio;
617
618 data->last_reading = jiffies;
Jean Delvarecb01a232007-11-29 23:46:42 +0100619 }; /* last_reading */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620
621 if (!data->valid ||
622 time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
623 /* Things that don't change often */
624 dev_dbg(&client->dev, "Reading config values\n");
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800625 for (i = 0; i <= 16; ++i) {
Jean Delvarecb01a232007-11-29 23:46:42 +0100626 data->in_min[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627 ADM1026_REG_IN_MIN[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100628 data->in_max[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700629 ADM1026_REG_IN_MAX[i]);
630 }
631
632 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
633 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
634 << 8);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800635 for (i = 0; i <= 7; ++i) {
Jean Delvarecb01a232007-11-29 23:46:42 +0100636 data->fan_min[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700637 ADM1026_REG_FAN_MIN(i));
638 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
639 value >>= 2;
640 }
641
642 for (i = 0; i <= 2; ++i) {
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800643 /*
644 * NOTE: temp_xxx[] are s8 and we assume 2's
Linus Torvalds1da177e2005-04-16 15:20:36 -0700645 * complement "conversion" in the assignment
646 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100647 data->temp_min[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648 ADM1026_REG_TEMP_MIN[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100649 data->temp_max[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700650 ADM1026_REG_TEMP_MAX[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100651 data->temp_tmin[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700652 ADM1026_REG_TEMP_TMIN[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100653 data->temp_crit[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700654 ADM1026_REG_TEMP_THERM[i]);
Jean Delvarecb01a232007-11-29 23:46:42 +0100655 data->temp_offset[i] = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700656 ADM1026_REG_TEMP_OFFSET[i]);
657 }
658
659 /* Read the STATUS/alarm masks */
Jean Delvarecb01a232007-11-29 23:46:42 +0100660 alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
661 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
662 alarms = (alarms & 0x7f) << 8;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700663 alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
664 alarms <<= 8;
665 alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
666 alarms <<= 8;
667 alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
668 data->alarm_mask = alarms;
669
670 /* Read the GPIO values */
Jean Delvarecb01a232007-11-29 23:46:42 +0100671 gpio |= adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700672 ADM1026_REG_GPIO_MASK_8_15);
673 gpio <<= 8;
674 gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
675 data->gpio_mask = gpio;
676
677 /* Read various values from CONFIG1 */
Jean Delvarecb01a232007-11-29 23:46:42 +0100678 data->config1 = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700679 ADM1026_REG_CONFIG1);
680 if (data->config1 & CFG1_PWM_AFC) {
681 data->pwm1.enable = 2;
Jean Delvarecb01a232007-11-29 23:46:42 +0100682 data->pwm1.auto_pwm_min =
Linus Torvalds1da177e2005-04-16 15:20:36 -0700683 PWM_MIN_FROM_REG(data->pwm1.pwm);
684 }
685 /* Read the GPIO config */
Jean Delvarecb01a232007-11-29 23:46:42 +0100686 data->config2 = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700687 ADM1026_REG_CONFIG2);
Jean Delvarecb01a232007-11-29 23:46:42 +0100688 data->config3 = adm1026_read_value(client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700689 ADM1026_REG_CONFIG3);
690 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
691
692 value = 0;
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800693 for (i = 0; i <= 15; ++i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700694 if ((i & 0x03) == 0) {
695 value = adm1026_read_value(client,
696 ADM1026_REG_GPIO_CFG_0_3 + i/4);
697 }
698 data->gpio_config[i] = value & 0x03;
699 value >>= 2;
700 }
701
702 data->last_config = jiffies;
Jean Delvarecb01a232007-11-29 23:46:42 +0100703 }; /* last_config */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700704
Linus Torvalds1da177e2005-04-16 15:20:36 -0700705 data->valid = 1;
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100706 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700707 return data;
708}
709
Yani Ioannou050480f2005-06-05 10:51:46 +0200710static ssize_t show_in(struct device *dev, struct device_attribute *attr,
711 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700712{
Yani Ioannou050480f2005-06-05 10:51:46 +0200713 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
714 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100716 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700717}
Yani Ioannou050480f2005-06-05 10:51:46 +0200718static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
719 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700720{
Yani Ioannou050480f2005-06-05 10:51:46 +0200721 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
722 int nr = sensor_attr->index;
Jean Delvarecb01a232007-11-29 23:46:42 +0100723 struct adm1026_data *data = adm1026_update_device(dev);
724 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725}
Yani Ioannou050480f2005-06-05 10:51:46 +0200726static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
727 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700728{
Yani Ioannou050480f2005-06-05 10:51:46 +0200729 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
730 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700731 struct i2c_client *client = to_i2c_client(dev);
732 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800733 long val;
734 int err;
735
736 err = kstrtol(buf, 10, &val);
737 if (err)
738 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100740 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700741 data->in_min[nr] = INS_TO_REG(nr, val);
742 adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100743 mutex_unlock(&data->update_lock);
Jean Delvarecb01a232007-11-29 23:46:42 +0100744 return count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700745}
Yani Ioannou050480f2005-06-05 10:51:46 +0200746static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
747 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700748{
Yani Ioannou050480f2005-06-05 10:51:46 +0200749 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
750 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700751 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100752 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700753}
Yani Ioannou050480f2005-06-05 10:51:46 +0200754static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
755 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700756{
Yani Ioannou050480f2005-06-05 10:51:46 +0200757 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
758 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700759 struct i2c_client *client = to_i2c_client(dev);
760 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800761 long val;
762 int err;
763
764 err = kstrtol(buf, 10, &val);
765 if (err)
766 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700767
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100768 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700769 data->in_max[nr] = INS_TO_REG(nr, val);
770 adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100771 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700772 return count;
773}
774
Yani Ioannou050480f2005-06-05 10:51:46 +0200775#define in_reg(offset) \
776static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
777 NULL, offset); \
778static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
779 show_in_min, set_in_min, offset); \
780static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
781 show_in_max, set_in_max, offset);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700782
783
784in_reg(0);
785in_reg(1);
786in_reg(2);
787in_reg(3);
788in_reg(4);
789in_reg(5);
790in_reg(6);
791in_reg(7);
792in_reg(8);
793in_reg(9);
794in_reg(10);
795in_reg(11);
796in_reg(12);
797in_reg(13);
798in_reg(14);
799in_reg(15);
800
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800801static ssize_t show_in16(struct device *dev, struct device_attribute *attr,
802 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700803{
804 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100805 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
Linus Torvalds1da177e2005-04-16 15:20:36 -0700806 NEG12_OFFSET);
807}
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800808static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr,
809 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700810{
Jean Delvarecb01a232007-11-29 23:46:42 +0100811 struct adm1026_data *data = adm1026_update_device(dev);
812 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813 - NEG12_OFFSET);
814}
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800815static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr,
816 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700817{
818 struct i2c_client *client = to_i2c_client(dev);
819 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800820 long val;
821 int err;
822
823 err = kstrtol(buf, 10, &val);
824 if (err)
825 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700826
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100827 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700828 data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
829 adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100830 mutex_unlock(&data->update_lock);
Jean Delvarecb01a232007-11-29 23:46:42 +0100831 return count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700832}
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800833static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr,
834 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700835{
836 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100837 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
Linus Torvalds1da177e2005-04-16 15:20:36 -0700838 - NEG12_OFFSET);
839}
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800840static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr,
841 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700842{
843 struct i2c_client *client = to_i2c_client(dev);
844 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800845 long val;
846 int err;
847
848 err = kstrtol(buf, 10, &val);
849 if (err)
850 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700851
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100852 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700853 data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
854 adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100855 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700856 return count;
857}
858
Yani Ioannou050480f2005-06-05 10:51:46 +0200859static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800860static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min,
861 set_in16_min, 16);
862static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max,
863 set_in16_max, 16);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700864
865
866/* Now add fan read/write functions */
867
Yani Ioannou050480f2005-06-05 10:51:46 +0200868static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
869 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700870{
Yani Ioannou050480f2005-06-05 10:51:46 +0200871 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
872 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700873 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100874 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
Linus Torvalds1da177e2005-04-16 15:20:36 -0700875 data->fan_div[nr]));
876}
Yani Ioannou050480f2005-06-05 10:51:46 +0200877static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
878 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700879{
Yani Ioannou050480f2005-06-05 10:51:46 +0200880 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
881 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700882 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100883 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
Linus Torvalds1da177e2005-04-16 15:20:36 -0700884 data->fan_div[nr]));
885}
Yani Ioannou050480f2005-06-05 10:51:46 +0200886static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
887 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700888{
Yani Ioannou050480f2005-06-05 10:51:46 +0200889 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
890 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700891 struct i2c_client *client = to_i2c_client(dev);
892 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800893 long val;
894 int err;
895
896 err = kstrtol(buf, 10, &val);
897 if (err)
898 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700899
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100900 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700901 data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
902 adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
903 data->fan_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100904 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700905 return count;
906}
907
Jean Delvarecb01a232007-11-29 23:46:42 +0100908#define fan_offset(offset) \
909static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
910 offset - 1); \
911static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
Yani Ioannou050480f2005-06-05 10:51:46 +0200912 show_fan_min, set_fan_min, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700913
914fan_offset(1);
915fan_offset(2);
916fan_offset(3);
917fan_offset(4);
918fan_offset(5);
919fan_offset(6);
920fan_offset(7);
921fan_offset(8);
922
923/* Adjust fan_min to account for new fan divisor */
924static void fixup_fan_min(struct device *dev, int fan, int old_div)
925{
926 struct i2c_client *client = to_i2c_client(dev);
927 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +0100928 int new_min;
929 int new_div = data->fan_div[fan];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700930
931 /* 0 and 0xff are special. Don't adjust them */
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800932 if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700933 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700934
935 new_min = data->fan_min[fan] * old_div / new_div;
Guenter Roeck2a844c12013-01-09 08:09:34 -0800936 new_min = clamp_val(new_min, 1, 254);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700937 data->fan_min[fan] = new_min;
938 adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
939}
940
941/* Now add fan_div read/write functions */
Yani Ioannou050480f2005-06-05 10:51:46 +0200942static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
943 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700944{
Yani Ioannou050480f2005-06-05 10:51:46 +0200945 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
946 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700947 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +0100948 return sprintf(buf, "%d\n", data->fan_div[nr]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700949}
Yani Ioannou050480f2005-06-05 10:51:46 +0200950static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
951 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700952{
Yani Ioannou050480f2005-06-05 10:51:46 +0200953 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
954 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700955 struct i2c_client *client = to_i2c_client(dev);
956 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800957 long val;
958 int orig_div, new_div;
959 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700960
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800961 err = kstrtol(buf, 10, &val);
962 if (err)
963 return err;
964
Jean Delvarecb01a232007-11-29 23:46:42 +0100965 new_div = DIV_TO_REG(val);
Gabriele Gorla8b0f1842010-12-08 16:27:22 +0100966
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100967 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700968 orig_div = data->fan_div[nr];
969 data->fan_div[nr] = DIV_FROM_REG(new_div);
970
971 if (nr < 4) { /* 0 <= nr < 4 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700972 adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
Gabriele Gorla52bc9802010-12-08 16:27:22 +0100973 (DIV_TO_REG(data->fan_div[0]) << 0) |
974 (DIV_TO_REG(data->fan_div[1]) << 2) |
975 (DIV_TO_REG(data->fan_div[2]) << 4) |
976 (DIV_TO_REG(data->fan_div[3]) << 6));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700977 } else { /* 3 < nr < 8 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700978 adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
Gabriele Gorla52bc9802010-12-08 16:27:22 +0100979 (DIV_TO_REG(data->fan_div[4]) << 0) |
980 (DIV_TO_REG(data->fan_div[5]) << 2) |
981 (DIV_TO_REG(data->fan_div[6]) << 4) |
982 (DIV_TO_REG(data->fan_div[7]) << 6));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700983 }
984
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800985 if (data->fan_div[nr] != orig_div)
Jean Delvarecb01a232007-11-29 23:46:42 +0100986 fixup_fan_min(dev, nr, orig_div);
Guenter Roeck86aa3e22012-01-14 12:51:15 -0800987
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100988 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700989 return count;
990}
991
Jean Delvarecb01a232007-11-29 23:46:42 +0100992#define fan_offset_div(offset) \
993static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
Yani Ioannou050480f2005-06-05 10:51:46 +0200994 show_fan_div, set_fan_div, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700995
996fan_offset_div(1);
997fan_offset_div(2);
998fan_offset_div(3);
999fan_offset_div(4);
1000fan_offset_div(5);
1001fan_offset_div(6);
1002fan_offset_div(7);
1003fan_offset_div(8);
1004
1005/* Temps */
Yani Ioannou050480f2005-06-05 10:51:46 +02001006static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
1007 char *buf)
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 adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001012 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013}
Yani Ioannou050480f2005-06-05 10:51:46 +02001014static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
1015 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001016{
Yani Ioannou050480f2005-06-05 10:51:46 +02001017 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1018 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001019 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001020 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001021}
Yani Ioannou050480f2005-06-05 10:51:46 +02001022static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
1023 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001024{
Yani Ioannou050480f2005-06-05 10:51:46 +02001025 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1026 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001027 struct i2c_client *client = to_i2c_client(dev);
1028 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001029 long val;
1030 int err;
1031
1032 err = kstrtol(buf, 10, &val);
1033 if (err)
1034 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001035
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001036 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001037 data->temp_min[nr] = TEMP_TO_REG(val);
1038 adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
1039 data->temp_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001040 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001041 return count;
1042}
Yani Ioannou050480f2005-06-05 10:51:46 +02001043static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
1044 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001045{
Yani Ioannou050480f2005-06-05 10:51:46 +02001046 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1047 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001048 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001049 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001050}
Yani Ioannou050480f2005-06-05 10:51:46 +02001051static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
1052 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001053{
Yani Ioannou050480f2005-06-05 10:51:46 +02001054 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1055 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001056 struct i2c_client *client = to_i2c_client(dev);
1057 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001058 long val;
1059 int err;
1060
1061 err = kstrtol(buf, 10, &val);
1062 if (err)
1063 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001064
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001065 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001066 data->temp_max[nr] = TEMP_TO_REG(val);
1067 adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
1068 data->temp_max[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001069 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001070 return count;
1071}
Yani Ioannou050480f2005-06-05 10:51:46 +02001072
1073#define temp_reg(offset) \
Jean Delvarecb01a232007-11-29 23:46:42 +01001074static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
Yani Ioannou050480f2005-06-05 10:51:46 +02001075 NULL, offset - 1); \
1076static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
1077 show_temp_min, set_temp_min, offset - 1); \
1078static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
1079 show_temp_max, set_temp_max, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001080
1081
1082temp_reg(1);
1083temp_reg(2);
1084temp_reg(3);
1085
Yani Ioannou050480f2005-06-05 10:51:46 +02001086static ssize_t show_temp_offset(struct device *dev,
1087 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001088{
Yani Ioannou050480f2005-06-05 10:51:46 +02001089 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1090 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001091 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001092 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001093}
Yani Ioannou050480f2005-06-05 10:51:46 +02001094static ssize_t set_temp_offset(struct device *dev,
1095 struct device_attribute *attr, const char *buf,
1096 size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001097{
Yani Ioannou050480f2005-06-05 10:51:46 +02001098 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1099 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001100 struct i2c_client *client = to_i2c_client(dev);
1101 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001102 long val;
1103 int err;
1104
1105 err = kstrtol(buf, 10, &val);
1106 if (err)
1107 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001108
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001109 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001110 data->temp_offset[nr] = TEMP_TO_REG(val);
1111 adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
1112 data->temp_offset[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001113 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001114 return count;
1115}
1116
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001117#define temp_offset_reg(offset) \
1118static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
Yani Ioannou050480f2005-06-05 10:51:46 +02001119 show_temp_offset, set_temp_offset, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001120
1121temp_offset_reg(1);
1122temp_offset_reg(2);
1123temp_offset_reg(3);
1124
Yani Ioannou050480f2005-06-05 10:51:46 +02001125static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
1126 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001127{
Yani Ioannou050480f2005-06-05 10:51:46 +02001128 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1129 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001130 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001131 return sprintf(buf, "%d\n", TEMP_FROM_REG(
Linus Torvalds1da177e2005-04-16 15:20:36 -07001132 ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
1133}
Yani Ioannou050480f2005-06-05 10:51:46 +02001134static ssize_t show_temp_auto_point2_temp(struct device *dev,
1135 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001136{
Yani Ioannou050480f2005-06-05 10:51:46 +02001137 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1138 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001139 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001140 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
Linus Torvalds1da177e2005-04-16 15:20:36 -07001141 ADM1026_FAN_CONTROL_TEMP_RANGE));
1142}
Yani Ioannou050480f2005-06-05 10:51:46 +02001143static ssize_t show_temp_auto_point1_temp(struct device *dev,
1144 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001145{
Yani Ioannou050480f2005-06-05 10:51:46 +02001146 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1147 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001148 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001149 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001150}
Yani Ioannou050480f2005-06-05 10:51:46 +02001151static ssize_t set_temp_auto_point1_temp(struct device *dev,
1152 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001153{
Yani Ioannou050480f2005-06-05 10:51:46 +02001154 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1155 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001156 struct i2c_client *client = to_i2c_client(dev);
1157 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001158 long val;
1159 int err;
1160
1161 err = kstrtol(buf, 10, &val);
1162 if (err)
1163 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001164
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001165 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001166 data->temp_tmin[nr] = TEMP_TO_REG(val);
1167 adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
1168 data->temp_tmin[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001169 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001170 return count;
1171}
1172
Jean Delvarecb01a232007-11-29 23:46:42 +01001173#define temp_auto_point(offset) \
1174static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
1175 S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
1176 set_temp_auto_point1_temp, offset - 1); \
1177static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
1178 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
1179static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
Yani Ioannou050480f2005-06-05 10:51:46 +02001180 show_temp_auto_point2_temp, NULL, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001181
1182temp_auto_point(1);
1183temp_auto_point(2);
1184temp_auto_point(3);
1185
Yani Ioannou050480f2005-06-05 10:51:46 +02001186static ssize_t show_temp_crit_enable(struct device *dev,
1187 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001188{
1189 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001190 return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001191}
Yani Ioannou050480f2005-06-05 10:51:46 +02001192static ssize_t set_temp_crit_enable(struct device *dev,
1193 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001194{
1195 struct i2c_client *client = to_i2c_client(dev);
1196 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001197 unsigned long val;
1198 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001199
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001200 err = kstrtoul(buf, 10, &val);
1201 if (err)
1202 return err;
1203
1204 if (val > 1)
1205 return -EINVAL;
1206
1207 mutex_lock(&data->update_lock);
1208 data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
1209 adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
1210 mutex_unlock(&data->update_lock);
1211
Linus Torvalds1da177e2005-04-16 15:20:36 -07001212 return count;
1213}
1214
Yani Ioannou050480f2005-06-05 10:51:46 +02001215#define temp_crit_enable(offset) \
1216static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001217 show_temp_crit_enable, set_temp_crit_enable);
1218
Yani Ioannou050480f2005-06-05 10:51:46 +02001219temp_crit_enable(1);
1220temp_crit_enable(2);
1221temp_crit_enable(3);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001222
Yani Ioannou050480f2005-06-05 10:51:46 +02001223static ssize_t show_temp_crit(struct device *dev,
1224 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001225{
Yani Ioannou050480f2005-06-05 10:51:46 +02001226 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1227 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001228 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001229 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001230}
Yani Ioannou050480f2005-06-05 10:51:46 +02001231static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
1232 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001233{
Yani Ioannou050480f2005-06-05 10:51:46 +02001234 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1235 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001236 struct i2c_client *client = to_i2c_client(dev);
1237 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001238 long val;
1239 int err;
1240
1241 err = kstrtol(buf, 10, &val);
1242 if (err)
1243 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001244
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001245 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001246 data->temp_crit[nr] = TEMP_TO_REG(val);
1247 adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1248 data->temp_crit[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001249 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001250 return count;
1251}
1252
Yani Ioannou050480f2005-06-05 10:51:46 +02001253#define temp_crit_reg(offset) \
1254static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1255 show_temp_crit, set_temp_crit, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001256
1257temp_crit_reg(1);
1258temp_crit_reg(2);
1259temp_crit_reg(3);
1260
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001261static ssize_t show_analog_out_reg(struct device *dev,
1262 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001263{
1264 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001265 return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001266}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001267static ssize_t set_analog_out_reg(struct device *dev,
1268 struct device_attribute *attr,
1269 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001270{
1271 struct i2c_client *client = to_i2c_client(dev);
1272 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001273 long val;
1274 int err;
1275
1276 err = kstrtol(buf, 10, &val);
1277 if (err)
1278 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001279
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001280 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001281 data->analog_out = DAC_TO_REG(val);
1282 adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001283 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001284 return count;
1285}
1286
Jean Delvarecb01a232007-11-29 23:46:42 +01001287static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001288 set_analog_out_reg);
1289
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001290static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
1291 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001292{
1293 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarea0cf3542008-10-17 17:51:20 +02001294 int vid = (data->gpio >> 11) & 0x1f;
1295
1296 dev_dbg(dev, "Setting VID from GPIO11-15.\n");
1297 return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001298}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001299
Grant Coady937df8d2005-05-12 11:59:29 +10001300static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001301
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001302static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
1303 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001304{
Jean Delvare90d66192007-10-08 18:24:35 +02001305 struct adm1026_data *data = dev_get_drvdata(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001306 return sprintf(buf, "%d\n", data->vrm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001307}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001308
1309static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
1310 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001311{
Jean Delvaref67fdab2007-12-01 11:24:17 +01001312 struct adm1026_data *data = dev_get_drvdata(dev);
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001313 unsigned long val;
1314 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001315
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001316 err = kstrtoul(buf, 10, &val);
1317 if (err)
1318 return err;
1319
1320 data->vrm = val;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001321 return count;
1322}
1323
1324static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
1325
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001326static ssize_t show_alarms_reg(struct device *dev,
1327 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001328{
1329 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvaref67fdab2007-12-01 11:24:17 +01001330 return sprintf(buf, "%ld\n", data->alarms);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001331}
1332
1333static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
1334
Jean Delvarea9273cb2007-11-29 23:45:22 +01001335static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
1336 char *buf)
1337{
1338 struct adm1026_data *data = adm1026_update_device(dev);
1339 int bitnr = to_sensor_dev_attr(attr)->index;
1340 return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
1341}
1342
1343static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0);
1344static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1);
1345static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 1);
1346static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 2);
1347static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 3);
1348static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 4);
1349static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 5);
1350static SENSOR_DEVICE_ATTR(in15_alarm, S_IRUGO, show_alarm, NULL, 6);
1351static SENSOR_DEVICE_ATTR(in16_alarm, S_IRUGO, show_alarm, NULL, 7);
1352static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
1353static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
1354static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
1355static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
1356static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
1357static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
1358static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
1359static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
1360static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
1361static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
1362static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
1363static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 19);
1364static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 20);
1365static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 21);
1366static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 22);
1367static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, 23);
1368static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
1369static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
1370static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
1371
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001372static ssize_t show_alarm_mask(struct device *dev,
1373 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001374{
1375 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001376 return sprintf(buf, "%ld\n", data->alarm_mask);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001377}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001378static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr,
1379 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001380{
1381 struct i2c_client *client = to_i2c_client(dev);
1382 struct adm1026_data *data = i2c_get_clientdata(client);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001383 unsigned long mask;
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001384 long val;
1385 int err;
1386
1387 err = kstrtol(buf, 10, &val);
1388 if (err)
1389 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001390
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001391 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001392 data->alarm_mask = val & 0x7fffffff;
1393 mask = data->alarm_mask
1394 | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1395 adm1026_write_value(client, ADM1026_REG_MASK1,
1396 mask & 0xff);
1397 mask >>= 8;
1398 adm1026_write_value(client, ADM1026_REG_MASK2,
1399 mask & 0xff);
1400 mask >>= 8;
1401 adm1026_write_value(client, ADM1026_REG_MASK3,
1402 mask & 0xff);
1403 mask >>= 8;
1404 adm1026_write_value(client, ADM1026_REG_MASK4,
1405 mask & 0xff);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001406 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001407 return count;
1408}
1409
1410static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
1411 set_alarm_mask);
1412
1413
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001414static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
1415 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001416{
1417 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001418 return sprintf(buf, "%ld\n", data->gpio);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001419}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001420static ssize_t set_gpio(struct device *dev, struct device_attribute *attr,
1421 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001422{
1423 struct i2c_client *client = to_i2c_client(dev);
1424 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +01001425 long gpio;
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001426 long val;
1427 int err;
1428
1429 err = kstrtol(buf, 10, &val);
1430 if (err)
1431 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001432
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001433 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001434 data->gpio = val & 0x1ffff;
1435 gpio = data->gpio;
Jean Delvarecb01a232007-11-29 23:46:42 +01001436 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001437 gpio >>= 8;
Jean Delvarecb01a232007-11-29 23:46:42 +01001438 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001439 gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
Jean Delvarecb01a232007-11-29 23:46:42 +01001440 adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001441 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001442 return count;
1443}
1444
1445static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
1446
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001447static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr,
1448 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001449{
1450 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001451 return sprintf(buf, "%ld\n", data->gpio_mask);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001452}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001453static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
1454 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001455{
1456 struct i2c_client *client = to_i2c_client(dev);
1457 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +01001458 long mask;
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001459 long val;
1460 int err;
1461
1462 err = kstrtol(buf, 10, &val);
1463 if (err)
1464 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001465
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001466 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001467 data->gpio_mask = val & 0x1ffff;
1468 mask = data->gpio_mask;
Jean Delvarecb01a232007-11-29 23:46:42 +01001469 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001470 mask >>= 8;
Jean Delvarecb01a232007-11-29 23:46:42 +01001471 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001472 mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
Jean Delvarecb01a232007-11-29 23:46:42 +01001473 adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001474 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001475 return count;
1476}
1477
1478static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
1479
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001480static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr,
1481 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001482{
1483 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001484 return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001485}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001486
1487static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr,
1488 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001489{
1490 struct i2c_client *client = to_i2c_client(dev);
1491 struct adm1026_data *data = i2c_get_clientdata(client);
1492
1493 if (data->pwm1.enable == 1) {
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001494 long val;
1495 int err;
1496
1497 err = kstrtol(buf, 10, &val);
1498 if (err)
1499 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001500
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001501 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001502 data->pwm1.pwm = PWM_TO_REG(val);
1503 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001504 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001505 }
1506 return count;
1507}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001508
1509static ssize_t show_auto_pwm_min(struct device *dev,
1510 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001511{
1512 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001513 return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001514}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001515
1516static ssize_t set_auto_pwm_min(struct device *dev,
1517 struct device_attribute *attr, const char *buf,
1518 size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001519{
1520 struct i2c_client *client = to_i2c_client(dev);
1521 struct adm1026_data *data = i2c_get_clientdata(client);
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001522 unsigned long val;
1523 int err;
1524
1525 err = kstrtoul(buf, 10, &val);
1526 if (err)
1527 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001528
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001529 mutex_lock(&data->update_lock);
Guenter Roeck2a844c12013-01-09 08:09:34 -08001530 data->pwm1.auto_pwm_min = clamp_val(val, 0, 255);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001531 if (data->pwm1.enable == 2) { /* apply immediately */
1532 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
Jean Delvarecb01a232007-11-29 23:46:42 +01001533 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001534 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1535 }
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001536 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001537 return count;
1538}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001539
1540static ssize_t show_auto_pwm_max(struct device *dev,
1541 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001542{
Jean Delvarecb01a232007-11-29 23:46:42 +01001543 return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001544}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001545
1546static ssize_t show_pwm_enable(struct device *dev,
1547 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001548{
1549 struct adm1026_data *data = adm1026_update_device(dev);
Jean Delvarecb01a232007-11-29 23:46:42 +01001550 return sprintf(buf, "%d\n", data->pwm1.enable);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001551}
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001552
1553static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
1554 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001555{
1556 struct i2c_client *client = to_i2c_client(dev);
1557 struct adm1026_data *data = i2c_get_clientdata(client);
Jean Delvarecb01a232007-11-29 23:46:42 +01001558 int old_enable;
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001559 unsigned long val;
1560 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001561
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001562 err = kstrtoul(buf, 10, &val);
1563 if (err)
1564 return err;
1565
1566 if (val >= 3)
1567 return -EINVAL;
1568
1569 mutex_lock(&data->update_lock);
1570 old_enable = data->pwm1.enable;
1571 data->pwm1.enable = val;
1572 data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1573 | ((val == 2) ? CFG1_PWM_AFC : 0);
1574 adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
1575 if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1576 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1577 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1578 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1579 } else if (!((old_enable == 1) && (val == 1))) {
1580 /* set pwm to safe value */
1581 data->pwm1.pwm = 255;
1582 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001583 }
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001584 mutex_unlock(&data->update_lock);
1585
Linus Torvalds1da177e2005-04-16 15:20:36 -07001586 return count;
1587}
1588
1589/* enable PWM fan control */
Jean Delvarecb01a232007-11-29 23:46:42 +01001590static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1591static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1592static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1593static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001594 set_pwm_enable);
Jean Delvarecb01a232007-11-29 23:46:42 +01001595static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001596 set_pwm_enable);
Jean Delvarecb01a232007-11-29 23:46:42 +01001597static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001598 set_pwm_enable);
Jean Delvarecb01a232007-11-29 23:46:42 +01001599static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001600 show_auto_pwm_min, set_auto_pwm_min);
Jean Delvarecb01a232007-11-29 23:46:42 +01001601static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001602 show_auto_pwm_min, set_auto_pwm_min);
Jean Delvarecb01a232007-11-29 23:46:42 +01001603static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001604 show_auto_pwm_min, set_auto_pwm_min);
1605
1606static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1607static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1608static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1609
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001610static struct attribute *adm1026_attributes[] = {
1611 &sensor_dev_attr_in0_input.dev_attr.attr,
1612 &sensor_dev_attr_in0_max.dev_attr.attr,
1613 &sensor_dev_attr_in0_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001614 &sensor_dev_attr_in0_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001615 &sensor_dev_attr_in1_input.dev_attr.attr,
1616 &sensor_dev_attr_in1_max.dev_attr.attr,
1617 &sensor_dev_attr_in1_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001618 &sensor_dev_attr_in1_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001619 &sensor_dev_attr_in2_input.dev_attr.attr,
1620 &sensor_dev_attr_in2_max.dev_attr.attr,
1621 &sensor_dev_attr_in2_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001622 &sensor_dev_attr_in2_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001623 &sensor_dev_attr_in3_input.dev_attr.attr,
1624 &sensor_dev_attr_in3_max.dev_attr.attr,
1625 &sensor_dev_attr_in3_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001626 &sensor_dev_attr_in3_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001627 &sensor_dev_attr_in4_input.dev_attr.attr,
1628 &sensor_dev_attr_in4_max.dev_attr.attr,
1629 &sensor_dev_attr_in4_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001630 &sensor_dev_attr_in4_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001631 &sensor_dev_attr_in5_input.dev_attr.attr,
1632 &sensor_dev_attr_in5_max.dev_attr.attr,
1633 &sensor_dev_attr_in5_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001634 &sensor_dev_attr_in5_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001635 &sensor_dev_attr_in6_input.dev_attr.attr,
1636 &sensor_dev_attr_in6_max.dev_attr.attr,
1637 &sensor_dev_attr_in6_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001638 &sensor_dev_attr_in6_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001639 &sensor_dev_attr_in7_input.dev_attr.attr,
1640 &sensor_dev_attr_in7_max.dev_attr.attr,
1641 &sensor_dev_attr_in7_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001642 &sensor_dev_attr_in7_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001643 &sensor_dev_attr_in10_input.dev_attr.attr,
1644 &sensor_dev_attr_in10_max.dev_attr.attr,
1645 &sensor_dev_attr_in10_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001646 &sensor_dev_attr_in10_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001647 &sensor_dev_attr_in11_input.dev_attr.attr,
1648 &sensor_dev_attr_in11_max.dev_attr.attr,
1649 &sensor_dev_attr_in11_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001650 &sensor_dev_attr_in11_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001651 &sensor_dev_attr_in12_input.dev_attr.attr,
1652 &sensor_dev_attr_in12_max.dev_attr.attr,
1653 &sensor_dev_attr_in12_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001654 &sensor_dev_attr_in12_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001655 &sensor_dev_attr_in13_input.dev_attr.attr,
1656 &sensor_dev_attr_in13_max.dev_attr.attr,
1657 &sensor_dev_attr_in13_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001658 &sensor_dev_attr_in13_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001659 &sensor_dev_attr_in14_input.dev_attr.attr,
1660 &sensor_dev_attr_in14_max.dev_attr.attr,
1661 &sensor_dev_attr_in14_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001662 &sensor_dev_attr_in14_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001663 &sensor_dev_attr_in15_input.dev_attr.attr,
1664 &sensor_dev_attr_in15_max.dev_attr.attr,
1665 &sensor_dev_attr_in15_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001666 &sensor_dev_attr_in15_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001667 &sensor_dev_attr_in16_input.dev_attr.attr,
1668 &sensor_dev_attr_in16_max.dev_attr.attr,
1669 &sensor_dev_attr_in16_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001670 &sensor_dev_attr_in16_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001671 &sensor_dev_attr_fan1_input.dev_attr.attr,
1672 &sensor_dev_attr_fan1_div.dev_attr.attr,
1673 &sensor_dev_attr_fan1_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001674 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001675 &sensor_dev_attr_fan2_input.dev_attr.attr,
1676 &sensor_dev_attr_fan2_div.dev_attr.attr,
1677 &sensor_dev_attr_fan2_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001678 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001679 &sensor_dev_attr_fan3_input.dev_attr.attr,
1680 &sensor_dev_attr_fan3_div.dev_attr.attr,
1681 &sensor_dev_attr_fan3_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001682 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001683 &sensor_dev_attr_fan4_input.dev_attr.attr,
1684 &sensor_dev_attr_fan4_div.dev_attr.attr,
1685 &sensor_dev_attr_fan4_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001686 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001687 &sensor_dev_attr_fan5_input.dev_attr.attr,
1688 &sensor_dev_attr_fan5_div.dev_attr.attr,
1689 &sensor_dev_attr_fan5_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001690 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001691 &sensor_dev_attr_fan6_input.dev_attr.attr,
1692 &sensor_dev_attr_fan6_div.dev_attr.attr,
1693 &sensor_dev_attr_fan6_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001694 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001695 &sensor_dev_attr_fan7_input.dev_attr.attr,
1696 &sensor_dev_attr_fan7_div.dev_attr.attr,
1697 &sensor_dev_attr_fan7_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001698 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001699 &sensor_dev_attr_fan8_input.dev_attr.attr,
1700 &sensor_dev_attr_fan8_div.dev_attr.attr,
1701 &sensor_dev_attr_fan8_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001702 &sensor_dev_attr_fan8_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001703 &sensor_dev_attr_temp1_input.dev_attr.attr,
1704 &sensor_dev_attr_temp1_max.dev_attr.attr,
1705 &sensor_dev_attr_temp1_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001706 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001707 &sensor_dev_attr_temp2_input.dev_attr.attr,
1708 &sensor_dev_attr_temp2_max.dev_attr.attr,
1709 &sensor_dev_attr_temp2_min.dev_attr.attr,
Jean Delvarea9273cb2007-11-29 23:45:22 +01001710 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001711 &sensor_dev_attr_temp1_offset.dev_attr.attr,
1712 &sensor_dev_attr_temp2_offset.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001713 &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
1714 &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001715 &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
1716 &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001717 &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
1718 &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001719 &sensor_dev_attr_temp1_crit.dev_attr.attr,
1720 &sensor_dev_attr_temp2_crit.dev_attr.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001721 &dev_attr_temp1_crit_enable.attr,
1722 &dev_attr_temp2_crit_enable.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001723 &dev_attr_cpu0_vid.attr,
1724 &dev_attr_vrm.attr,
1725 &dev_attr_alarms.attr,
1726 &dev_attr_alarm_mask.attr,
1727 &dev_attr_gpio.attr,
1728 &dev_attr_gpio_mask.attr,
1729 &dev_attr_pwm1.attr,
1730 &dev_attr_pwm2.attr,
1731 &dev_attr_pwm3.attr,
1732 &dev_attr_pwm1_enable.attr,
1733 &dev_attr_pwm2_enable.attr,
1734 &dev_attr_pwm3_enable.attr,
1735 &dev_attr_temp1_auto_point1_pwm.attr,
1736 &dev_attr_temp2_auto_point1_pwm.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001737 &dev_attr_temp1_auto_point2_pwm.attr,
1738 &dev_attr_temp2_auto_point2_pwm.attr,
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001739 &dev_attr_analog_out.attr,
1740 NULL
1741};
1742
1743static const struct attribute_group adm1026_group = {
1744 .attrs = adm1026_attributes,
1745};
1746
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001747static struct attribute *adm1026_attributes_temp3[] = {
1748 &sensor_dev_attr_temp3_input.dev_attr.attr,
1749 &sensor_dev_attr_temp3_max.dev_attr.attr,
1750 &sensor_dev_attr_temp3_min.dev_attr.attr,
1751 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1752 &sensor_dev_attr_temp3_offset.dev_attr.attr,
1753 &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
1754 &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
1755 &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
1756 &sensor_dev_attr_temp3_crit.dev_attr.attr,
1757 &dev_attr_temp3_crit_enable.attr,
1758 &dev_attr_temp3_auto_point1_pwm.attr,
1759 &dev_attr_temp3_auto_point2_pwm.attr,
Jean Delvare1d5f2c12008-02-10 19:01:15 +01001760 NULL
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001761};
1762
1763static const struct attribute_group adm1026_group_temp3 = {
1764 .attrs = adm1026_attributes_temp3,
1765};
1766
1767static struct attribute *adm1026_attributes_in8_9[] = {
1768 &sensor_dev_attr_in8_input.dev_attr.attr,
1769 &sensor_dev_attr_in8_max.dev_attr.attr,
1770 &sensor_dev_attr_in8_min.dev_attr.attr,
1771 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1772 &sensor_dev_attr_in9_input.dev_attr.attr,
1773 &sensor_dev_attr_in9_max.dev_attr.attr,
1774 &sensor_dev_attr_in9_min.dev_attr.attr,
1775 &sensor_dev_attr_in9_alarm.dev_attr.attr,
Jean Delvare1d5f2c12008-02-10 19:01:15 +01001776 NULL
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001777};
1778
1779static const struct attribute_group adm1026_group_in8_9 = {
1780 .attrs = adm1026_attributes_in8_9,
1781};
1782
Jean Delvare57f7eb02008-07-16 19:30:08 +02001783/* Return 0 if detection is successful, -ENODEV otherwise */
Jean Delvare310ec792009-12-14 21:17:23 +01001784static int adm1026_detect(struct i2c_client *client,
Jean Delvare57f7eb02008-07-16 19:30:08 +02001785 struct i2c_board_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001786{
Jean Delvare57f7eb02008-07-16 19:30:08 +02001787 struct i2c_adapter *adapter = client->adapter;
1788 int address = client->addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001789 int company, verstep;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001790
1791 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1792 /* We need to be able to do byte I/O */
Jean Delvare57f7eb02008-07-16 19:30:08 +02001793 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001794 };
1795
Linus Torvalds1da177e2005-04-16 15:20:36 -07001796 /* Now, we do the remaining detection. */
1797
Jean Delvaref67fdab2007-12-01 11:24:17 +01001798 company = adm1026_read_value(client, ADM1026_REG_COMPANY);
1799 verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001800
Jean Delvare57f7eb02008-07-16 19:30:08 +02001801 dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001802 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
Jean Delvaref67fdab2007-12-01 11:24:17 +01001803 i2c_adapter_id(client->adapter), client->addr,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001804 company, verstep);
1805
Jean Delvare52df6442009-12-09 20:35:57 +01001806 /* Determine the chip type. */
1807 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n",
1808 i2c_adapter_id(adapter), address);
1809 if (company == ADM1026_COMPANY_ANALOG_DEV
1810 && verstep == ADM1026_VERSTEP_ADM1026) {
1811 /* Analog Devices ADM1026 */
1812 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1813 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1814 dev_err(&adapter->dev, "Unrecognized stepping "
1815 "0x%02x. Defaulting to ADM1026.\n", verstep);
1816 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1817 dev_err(&adapter->dev, "Found version/stepping "
1818 "0x%02x. Assuming generic ADM1026.\n",
1819 verstep);
1820 } else {
1821 dev_dbg(&adapter->dev, "Autodetection failed\n");
1822 /* Not an ADM1026... */
1823 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001824 }
Jean Delvare52df6442009-12-09 20:35:57 +01001825
Jean Delvare57f7eb02008-07-16 19:30:08 +02001826 strlcpy(info->type, "adm1026", I2C_NAME_SIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001827
Jean Delvare57f7eb02008-07-16 19:30:08 +02001828 return 0;
1829}
1830
1831static int adm1026_probe(struct i2c_client *client,
1832 const struct i2c_device_id *id)
1833{
1834 struct adm1026_data *data;
1835 int err;
1836
Guenter Roeck3421e212012-06-02 09:57:59 -07001837 data = devm_kzalloc(&client->dev, sizeof(struct adm1026_data),
1838 GFP_KERNEL);
1839 if (!data)
1840 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001841
Jean Delvare57f7eb02008-07-16 19:30:08 +02001842 i2c_set_clientdata(client, data);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001843 mutex_init(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001844
Linus Torvalds1da177e2005-04-16 15:20:36 -07001845 /* Set the VRM version */
Jean Delvare303760b2005-07-31 21:52:01 +02001846 data->vrm = vid_which_vrm();
Linus Torvalds1da177e2005-04-16 15:20:36 -07001847
1848 /* Initialize the ADM1026 chip */
Jean Delvaref67fdab2007-12-01 11:24:17 +01001849 adm1026_init_client(client);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001850
1851 /* Register sysfs hooks */
Guenter Roeck86aa3e22012-01-14 12:51:15 -08001852 err = sysfs_create_group(&client->dev.kobj, &adm1026_group);
1853 if (err)
Guenter Roeck3421e212012-06-02 09:57:59 -07001854 return err;
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001855 if (data->config1 & CFG1_AIN8_9)
1856 err = sysfs_create_group(&client->dev.kobj,
1857 &adm1026_group_in8_9);
1858 else
1859 err = sysfs_create_group(&client->dev.kobj,
1860 &adm1026_group_temp3);
1861 if (err)
1862 goto exitremove;
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001863
Jean Delvaref67fdab2007-12-01 11:24:17 +01001864 data->hwmon_dev = hwmon_device_register(&client->dev);
Tony Jones1beeffe2007-08-20 13:46:20 -07001865 if (IS_ERR(data->hwmon_dev)) {
1866 err = PTR_ERR(data->hwmon_dev);
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001867 goto exitremove;
Mark M. Hoffman943b0832005-07-15 21:39:18 -04001868 }
1869
Linus Torvalds1da177e2005-04-16 15:20:36 -07001870 return 0;
1871
1872 /* Error out and cleanup code */
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001873exitremove:
Jean Delvaref67fdab2007-12-01 11:24:17 +01001874 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001875 if (data->config1 & CFG1_AIN8_9)
1876 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1877 else
1878 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001879 return err;
1880}
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001881
Jean Delvare57f7eb02008-07-16 19:30:08 +02001882static int adm1026_remove(struct i2c_client *client)
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001883{
1884 struct adm1026_data *data = i2c_get_clientdata(client);
Tony Jones1beeffe2007-08-20 13:46:20 -07001885 hwmon_device_unregister(data->hwmon_dev);
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001886 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
Jean Delvare5b34dbc2007-11-29 23:47:54 +01001887 if (data->config1 & CFG1_AIN8_9)
1888 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1889 else
1890 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
Mark M. Hoffman681c6f72006-09-24 21:15:35 +02001891 return 0;
1892}
1893
Axel Linf0967ee2012-01-20 15:38:18 +08001894module_i2c_driver(adm1026_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001895
1896MODULE_LICENSE("GPL");
1897MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
Jean Delvarecb01a232007-11-29 23:46:42 +01001898 "Justin Thiessen <jthiessen@penguincomputing.com>");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001899MODULE_DESCRIPTION("ADM1026 driver");