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R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001/*
Guenter Roeckd1743682012-01-15 10:13:12 -08002 * w83792d.c - Part of lm_sensors, Linux kernel modules for hardware
3 * monitoring
4 * Copyright (C) 2004, 2005 Winbond Electronics Corp.
5 * Chunhao Huang <DZShen@Winbond.com.tw>,
6 * Rudolf Marek <r.marek@assembler.cz>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 * Note:
23 * 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver.
24 * 2. This driver is only for Winbond W83792D C version device, there
25 * are also some motherboards with B version W83792D device. The
26 * calculation method to in6-in7(measured value, limits) is a little
27 * different between C and B version. C or B version can be identified
28 * by CR[0x49h].
29 */
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +000030
31/*
Guenter Roeckd1743682012-01-15 10:13:12 -080032 * Supports following chips:
33 *
Jean Delvare4101ece2012-11-05 21:54:40 +010034 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
Guenter Roeckd1743682012-01-15 10:13:12 -080035 * w83792d 9 7 7 3 0x7a 0x5ca3 yes no
36 */
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +000037
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +000038#include <linux/module.h>
39#include <linux/init.h>
40#include <linux/slab.h>
41#include <linux/i2c.h>
R.Marek@sh.cvut.czce785ab2005-07-27 11:50:18 +000042#include <linux/hwmon.h>
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +000043#include <linux/hwmon-sysfs.h>
R.Marek@sh.cvut.czce785ab2005-07-27 11:50:18 +000044#include <linux/err.h>
Ingo Molnar9a61bf62006-01-18 23:19:26 +010045#include <linux/mutex.h>
Rudolf Marekf52f79d2006-09-24 21:24:12 +020046#include <linux/sysfs.h>
Jean Delvaredcd8f392012-10-10 15:25:56 +020047#include <linux/jiffies.h>
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +000048
49/* Addresses to scan */
Mark M. Hoffman25e9c862008-02-17 22:28:03 -050050static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
51 I2C_CLIENT_END };
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +000052
53/* Insmod parameters */
Jean Delvare3aed1982009-01-07 16:37:32 +010054
55static unsigned short force_subclients[4];
56module_param_array(force_subclients, short, NULL, 0);
Guenter Roeckb55f3752013-01-10 10:01:24 -080057MODULE_PARM_DESC(force_subclients,
58 "List of subclient addresses: {bus, clientaddr, subclientaddr1, subclientaddr2}");
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +000059
Rusty Russell90ab5ee2012-01-13 09:32:20 +103060static bool init;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +000061module_param(init, bool, 0);
62MODULE_PARM_DESC(init, "Set to one to force chip initialization");
63
64/* The W83792D registers */
65static const u8 W83792D_REG_IN[9] = {
66 0x20, /* Vcore A in DataSheet */
67 0x21, /* Vcore B in DataSheet */
68 0x22, /* VIN0 in DataSheet */
69 0x23, /* VIN1 in DataSheet */
70 0x24, /* VIN2 in DataSheet */
71 0x25, /* VIN3 in DataSheet */
72 0x26, /* 5VCC in DataSheet */
73 0xB0, /* 5VSB in DataSheet */
74 0xB1 /* VBAT in DataSheet */
75};
76#define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */
77#define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */
78static const u8 W83792D_REG_IN_MAX[9] = {
79 0x2B, /* Vcore A High Limit in DataSheet */
80 0x2D, /* Vcore B High Limit in DataSheet */
81 0x2F, /* VIN0 High Limit in DataSheet */
82 0x31, /* VIN1 High Limit in DataSheet */
83 0x33, /* VIN2 High Limit in DataSheet */
84 0x35, /* VIN3 High Limit in DataSheet */
85 0x37, /* 5VCC High Limit in DataSheet */
86 0xB4, /* 5VSB High Limit in DataSheet */
87 0xB6 /* VBAT High Limit in DataSheet */
88};
89static const u8 W83792D_REG_IN_MIN[9] = {
90 0x2C, /* Vcore A Low Limit in DataSheet */
91 0x2E, /* Vcore B Low Limit in DataSheet */
92 0x30, /* VIN0 Low Limit in DataSheet */
93 0x32, /* VIN1 Low Limit in DataSheet */
94 0x34, /* VIN2 Low Limit in DataSheet */
95 0x36, /* VIN3 Low Limit in DataSheet */
96 0x38, /* 5VCC Low Limit in DataSheet */
97 0xB5, /* 5VSB Low Limit in DataSheet */
98 0xB7 /* VBAT Low Limit in DataSheet */
99};
100static const u8 W83792D_REG_FAN[7] = {
101 0x28, /* FAN 1 Count in DataSheet */
102 0x29, /* FAN 2 Count in DataSheet */
103 0x2A, /* FAN 3 Count in DataSheet */
104 0xB8, /* FAN 4 Count in DataSheet */
105 0xB9, /* FAN 5 Count in DataSheet */
106 0xBA, /* FAN 6 Count in DataSheet */
107 0xBE /* FAN 7 Count in DataSheet */
108};
109static const u8 W83792D_REG_FAN_MIN[7] = {
110 0x3B, /* FAN 1 Count Low Limit in DataSheet */
111 0x3C, /* FAN 2 Count Low Limit in DataSheet */
112 0x3D, /* FAN 3 Count Low Limit in DataSheet */
113 0xBB, /* FAN 4 Count Low Limit in DataSheet */
114 0xBC, /* FAN 5 Count Low Limit in DataSheet */
115 0xBD, /* FAN 6 Count Low Limit in DataSheet */
116 0xBF /* FAN 7 Count Low Limit in DataSheet */
117};
118#define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */
119static const u8 W83792D_REG_FAN_DIV[4] = {
120 0x47, /* contains FAN2 and FAN1 Divisor */
121 0x5B, /* contains FAN4 and FAN3 Divisor */
122 0x5C, /* contains FAN6 and FAN5 Divisor */
123 0x9E /* contains FAN7 Divisor. */
124};
125static const u8 W83792D_REG_PWM[7] = {
126 0x81, /* FAN 1 Duty Cycle, be used to control */
127 0x83, /* FAN 2 Duty Cycle, be used to control */
128 0x94, /* FAN 3 Duty Cycle, be used to control */
129 0xA3, /* FAN 4 Duty Cycle, be used to control */
130 0xA4, /* FAN 5 Duty Cycle, be used to control */
131 0xA5, /* FAN 6 Duty Cycle, be used to control */
132 0xA6 /* FAN 7 Duty Cycle, be used to control */
133};
134#define W83792D_REG_BANK 0x4E
135#define W83792D_REG_TEMP2_CONFIG 0xC2
136#define W83792D_REG_TEMP3_CONFIG 0xCA
137
138static const u8 W83792D_REG_TEMP1[3] = {
139 0x27, /* TEMP 1 in DataSheet */
140 0x39, /* TEMP 1 Over in DataSheet */
141 0x3A, /* TEMP 1 Hyst in DataSheet */
142};
143
144static const u8 W83792D_REG_TEMP_ADD[2][6] = {
145 { 0xC0, /* TEMP 2 in DataSheet */
146 0xC1, /* TEMP 2(0.5 deg) in DataSheet */
147 0xC5, /* TEMP 2 Over High part in DataSheet */
148 0xC6, /* TEMP 2 Over Low part in DataSheet */
149 0xC3, /* TEMP 2 Thyst High part in DataSheet */
150 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */
151 { 0xC8, /* TEMP 3 in DataSheet */
152 0xC9, /* TEMP 3(0.5 deg) in DataSheet */
153 0xCD, /* TEMP 3 Over High part in DataSheet */
154 0xCE, /* TEMP 3 Over Low part in DataSheet */
155 0xCB, /* TEMP 3 Thyst High part in DataSheet */
156 0xCC } /* TEMP 3 Thyst Low part in DataSheet */
157};
158
159static const u8 W83792D_REG_THERMAL[3] = {
160 0x85, /* SmartFanI: Fan1 target value */
161 0x86, /* SmartFanI: Fan2 target value */
162 0x96 /* SmartFanI: Fan3 target value */
163};
164
165static const u8 W83792D_REG_TOLERANCE[3] = {
166 0x87, /* (bit3-0)SmartFan Fan1 tolerance */
167 0x87, /* (bit7-4)SmartFan Fan2 tolerance */
168 0x97 /* (bit3-0)SmartFan Fan3 tolerance */
169};
170
171static const u8 W83792D_REG_POINTS[3][4] = {
172 { 0x85, /* SmartFanII: Fan1 temp point 1 */
173 0xE3, /* SmartFanII: Fan1 temp point 2 */
174 0xE4, /* SmartFanII: Fan1 temp point 3 */
175 0xE5 }, /* SmartFanII: Fan1 temp point 4 */
176 { 0x86, /* SmartFanII: Fan2 temp point 1 */
177 0xE6, /* SmartFanII: Fan2 temp point 2 */
178 0xE7, /* SmartFanII: Fan2 temp point 3 */
179 0xE8 }, /* SmartFanII: Fan2 temp point 4 */
180 { 0x96, /* SmartFanII: Fan3 temp point 1 */
181 0xE9, /* SmartFanII: Fan3 temp point 2 */
182 0xEA, /* SmartFanII: Fan3 temp point 3 */
183 0xEB } /* SmartFanII: Fan3 temp point 4 */
184};
185
186static const u8 W83792D_REG_LEVELS[3][4] = {
187 { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */
188 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */
189 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */
190 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */
191 { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */
192 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */
193 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */
194 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */
195 { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */
196 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */
197 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */
198 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */
199};
200
Jean Delvare96320512005-11-29 22:27:14 +0100201#define W83792D_REG_GPIO_EN 0x1A
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000202#define W83792D_REG_CONFIG 0x40
203#define W83792D_REG_VID_FANDIV 0x47
204#define W83792D_REG_CHIPID 0x49
205#define W83792D_REG_WCHIPID 0x58
206#define W83792D_REG_CHIPMAN 0x4F
207#define W83792D_REG_PIN 0x4B
208#define W83792D_REG_I2C_SUBADDR 0x4A
209
210#define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */
211#define W83792D_REG_ALARM2 0xAA /* realtime status register2 */
212#define W83792D_REG_ALARM3 0xAB /* realtime status register3 */
213#define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */
214#define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */
215
216/* control in0/in1 's limit modifiability */
217#define W83792D_REG_VID_IN_B 0x17
218
219#define W83792D_REG_VBAT 0x5D
220#define W83792D_REG_I2C_ADDR 0x48
221
Guenter Roeckd1743682012-01-15 10:13:12 -0800222/*
223 * Conversions. Rounding and limit checking is only done on the TO_REG
224 * variants. Note that you should be a bit careful with which arguments
225 * these macros are called: arguments may be evaluated more than once.
226 * Fixing this is just not worth it.
227 */
228#define IN_FROM_REG(nr, val) (((nr) <= 1) ? ((val) * 2) : \
229 ((((nr) == 6) || ((nr) == 7)) ? ((val) * 6) : ((val) * 4)))
230#define IN_TO_REG(nr, val) (((nr) <= 1) ? ((val) / 2) : \
231 ((((nr) == 6) || ((nr) == 7)) ? ((val) / 6) : ((val) / 4)))
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000232
233static inline u8
234FAN_TO_REG(long rpm, int div)
235{
236 if (rpm == 0)
237 return 255;
Guenter Roeck2a844c12013-01-09 08:09:34 -0800238 rpm = clamp_val(rpm, 1, 1000000);
239 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000240}
241
Guenter Roeckd1743682012-01-15 10:13:12 -0800242#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000243 ((val) == 255 ? 0 : \
244 1350000 / ((val) * (div))))
245
246/* for temp1 */
Guenter Roeck2a844c12013-01-09 08:09:34 -0800247#define TEMP1_TO_REG(val) (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 \
248 : (val)) / 1000, 0, 0xff))
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000249#define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000)
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300250/* for temp2 and temp3, because they need additional resolution */
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000251#define TEMP_ADD_FROM_REG(val1, val2) \
252 ((((val1) & 0x80 ? (val1)-0x100 \
253 : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0))
254#define TEMP_ADD_TO_REG_HIGH(val) \
Guenter Roeck2a844c12013-01-09 08:09:34 -0800255 (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 : (val)) / 1000, 0, 0xff))
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000256#define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00)
257
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000258#define DIV_FROM_REG(val) (1 << (val))
259
260static inline u8
261DIV_TO_REG(long val)
262{
263 int i;
Guenter Roeck2a844c12013-01-09 08:09:34 -0800264 val = clamp_val(val, 1, 128) >> 1;
Jean Delvare96320512005-11-29 22:27:14 +0100265 for (i = 0; i < 7; i++) {
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000266 if (val == 0)
267 break;
268 val >>= 1;
269 }
Frans Meulenbroeks7fe83ad2012-01-05 19:50:18 +0100270 return (u8)i;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000271}
272
273struct w83792d_data {
Tony Jones1beeffe2007-08-20 13:46:20 -0700274 struct device *hwmon_dev;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000275
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100276 struct mutex update_lock;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000277 char valid; /* !=0 if following fields are valid */
278 unsigned long last_updated; /* In jiffies */
279
280 /* array of 2 pointers to subclients */
281 struct i2c_client *lm75[2];
282
283 u8 in[9]; /* Register value */
284 u8 in_max[9]; /* Register value */
285 u8 in_min[9]; /* Register value */
Jean Delvare99d85562005-12-18 16:34:28 +0100286 u16 low_bits; /* Additional resolution to voltage in6-0 */
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000287 u8 fan[7]; /* Register value */
288 u8 fan_min[7]; /* Register value */
289 u8 temp1[3]; /* current, over, thyst */
290 u8 temp_add[2][6]; /* Register value */
291 u8 fan_div[7]; /* Register encoding, shifted right */
Guenter Roeckd1743682012-01-15 10:13:12 -0800292 u8 pwm[7]; /*
293 * We only consider the first 3 set of pwm,
294 * although 792 chip has 7 set of pwm.
295 */
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000296 u8 pwmenable[3];
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000297 u32 alarms; /* realtime status register encoding,combined */
298 u8 chassis; /* Chassis status */
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000299 u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */
300 u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */
301 u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */
302 u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */
303};
304
Jean Delvare31d5d272008-07-16 19:30:17 +0200305static int w83792d_probe(struct i2c_client *client,
306 const struct i2c_device_id *id);
Jean Delvare310ec792009-12-14 21:17:23 +0100307static int w83792d_detect(struct i2c_client *client,
Jean Delvare31d5d272008-07-16 19:30:17 +0200308 struct i2c_board_info *info);
309static int w83792d_remove(struct i2c_client *client);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000310static struct w83792d_data *w83792d_update_device(struct device *dev);
311
312#ifdef DEBUG
313static void w83792d_print_debug(struct w83792d_data *data, struct device *dev);
314#endif
315
316static void w83792d_init_client(struct i2c_client *client);
317
Jean Delvare31d5d272008-07-16 19:30:17 +0200318static const struct i2c_device_id w83792d_id[] = {
Jean Delvare1f86df42009-12-14 21:17:26 +0100319 { "w83792d", 0 },
Jean Delvare31d5d272008-07-16 19:30:17 +0200320 { }
321};
322MODULE_DEVICE_TABLE(i2c, w83792d_id);
323
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000324static struct i2c_driver w83792d_driver = {
Jean Delvare31d5d272008-07-16 19:30:17 +0200325 .class = I2C_CLASS_HWMON,
Laurent Riffardcdaf7932005-11-26 20:37:41 +0100326 .driver = {
Laurent Riffardcdaf7932005-11-26 20:37:41 +0100327 .name = "w83792d",
328 },
Jean Delvare31d5d272008-07-16 19:30:17 +0200329 .probe = w83792d_probe,
330 .remove = w83792d_remove,
331 .id_table = w83792d_id,
332 .detect = w83792d_detect,
Jean Delvarec3813d62009-12-14 21:17:25 +0100333 .address_list = normal_i2c,
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000334};
335
Jean Delvare99d85562005-12-18 16:34:28 +0100336static inline long in_count_from_reg(int nr, struct w83792d_data *data)
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000337{
Jean Delvare99d85562005-12-18 16:34:28 +0100338 /* in7 and in8 do not have low bits, but the formula still works */
Frans Meulenbroeks7fe83ad2012-01-05 19:50:18 +0100339 return (data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000340}
341
Guenter Roeckd1743682012-01-15 10:13:12 -0800342/*
343 * The SMBus locks itself. The Winbond W83792D chip has a bank register,
344 * but the driver only accesses registers in bank 0, so we don't have
345 * to switch banks and lock access between switches.
346 */
Jean Delvare0d0ab7f2006-01-09 23:07:05 +0100347static inline int w83792d_read_value(struct i2c_client *client, u8 reg)
348{
349 return i2c_smbus_read_byte_data(client, reg);
350}
351
352static inline int
353w83792d_write_value(struct i2c_client *client, u8 reg, u8 value)
354{
355 return i2c_smbus_write_byte_data(client, reg, value);
356}
357
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000358/* following are the sysfs callback functions */
359static ssize_t show_in(struct device *dev, struct device_attribute *attr,
360 char *buf)
361{
362 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
363 int nr = sensor_attr->index;
364 struct w83792d_data *data = w83792d_update_device(dev);
Guenter Roeckd1743682012-01-15 10:13:12 -0800365 return sprintf(buf, "%ld\n",
366 IN_FROM_REG(nr, in_count_from_reg(nr, data)));
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000367}
368
369#define show_in_reg(reg) \
370static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
371 char *buf) \
372{ \
Guenter Roeckd1743682012-01-15 10:13:12 -0800373 struct sensor_device_attribute *sensor_attr \
374 = to_sensor_dev_attr(attr); \
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000375 int nr = sensor_attr->index; \
376 struct w83792d_data *data = w83792d_update_device(dev); \
Guenter Roeckd1743682012-01-15 10:13:12 -0800377 return sprintf(buf, "%ld\n", \
378 (long)(IN_FROM_REG(nr, data->reg[nr]) * 4)); \
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000379}
380
381show_in_reg(in_min);
382show_in_reg(in_max);
383
384#define store_in_reg(REG, reg) \
Guenter Roeckd1743682012-01-15 10:13:12 -0800385static ssize_t store_in_##reg(struct device *dev, \
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000386 struct device_attribute *attr, \
387 const char *buf, size_t count) \
388{ \
Guenter Roeckd1743682012-01-15 10:13:12 -0800389 struct sensor_device_attribute *sensor_attr \
390 = to_sensor_dev_attr(attr); \
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000391 int nr = sensor_attr->index; \
392 struct i2c_client *client = to_i2c_client(dev); \
393 struct w83792d_data *data = i2c_get_clientdata(client); \
Guenter Roeckd1743682012-01-15 10:13:12 -0800394 unsigned long val; \
395 int err = kstrtoul(buf, 10, &val); \
396 if (err) \
397 return err; \
Yuan Mubed73082006-06-04 20:18:45 +0200398 mutex_lock(&data->update_lock); \
Guenter Roeck2a844c12013-01-09 08:09:34 -0800399 data->in_##reg[nr] = clamp_val(IN_TO_REG(nr, val) / 4, 0, 255); \
Guenter Roeckd1743682012-01-15 10:13:12 -0800400 w83792d_write_value(client, W83792D_REG_IN_##REG[nr], \
401 data->in_##reg[nr]); \
Yuan Mubed73082006-06-04 20:18:45 +0200402 mutex_unlock(&data->update_lock); \
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000403 \
404 return count; \
405}
406store_in_reg(MIN, min);
407store_in_reg(MAX, max);
408
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000409#define show_fan_reg(reg) \
Guenter Roeckd1743682012-01-15 10:13:12 -0800410static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000411 char *buf) \
412{ \
Guenter Roeckd1743682012-01-15 10:13:12 -0800413 struct sensor_device_attribute *sensor_attr \
414 = to_sensor_dev_attr(attr); \
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000415 int nr = sensor_attr->index - 1; \
416 struct w83792d_data *data = w83792d_update_device(dev); \
Guenter Roeckd1743682012-01-15 10:13:12 -0800417 return sprintf(buf, "%d\n", \
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000418 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
419}
420
421show_fan_reg(fan);
422show_fan_reg(fan_min);
423
424static ssize_t
425store_fan_min(struct device *dev, struct device_attribute *attr,
426 const char *buf, size_t count)
427{
428 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
429 int nr = sensor_attr->index - 1;
430 struct i2c_client *client = to_i2c_client(dev);
431 struct w83792d_data *data = i2c_get_clientdata(client);
Guenter Roeckd1743682012-01-15 10:13:12 -0800432 unsigned long val;
433 int err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000434
Guenter Roeckd1743682012-01-15 10:13:12 -0800435 err = kstrtoul(buf, 10, &val);
436 if (err)
437 return err;
438
Yuan Mubed73082006-06-04 20:18:45 +0200439 mutex_lock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000440 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
441 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr],
442 data->fan_min[nr]);
Yuan Mubed73082006-06-04 20:18:45 +0200443 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000444
445 return count;
446}
447
448static ssize_t
449show_fan_div(struct device *dev, struct device_attribute *attr,
450 char *buf)
451{
452 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
453 int nr = sensor_attr->index;
454 struct w83792d_data *data = w83792d_update_device(dev);
455 return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1]));
456}
457
Guenter Roeckd1743682012-01-15 10:13:12 -0800458/*
459 * Note: we save and restore the fan minimum here, because its value is
460 * determined in part by the fan divisor. This follows the principle of
461 * least surprise; the user doesn't expect the fan minimum to change just
462 * because the divisor changed.
463 */
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000464static ssize_t
465store_fan_div(struct device *dev, struct device_attribute *attr,
466 const char *buf, size_t count)
467{
468 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
469 int nr = sensor_attr->index - 1;
470 struct i2c_client *client = to_i2c_client(dev);
471 struct w83792d_data *data = i2c_get_clientdata(client);
472 unsigned long min;
473 /*u8 reg;*/
474 u8 fan_div_reg = 0;
475 u8 tmp_fan_div;
Guenter Roeckd1743682012-01-15 10:13:12 -0800476 unsigned long val;
477 int err;
478
479 err = kstrtoul(buf, 10, &val);
480 if (err)
481 return err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000482
483 /* Save fan_min */
Yuan Mubed73082006-06-04 20:18:45 +0200484 mutex_lock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000485 min = FAN_FROM_REG(data->fan_min[nr],
486 DIV_FROM_REG(data->fan_div[nr]));
487
Guenter Roeckd1743682012-01-15 10:13:12 -0800488 data->fan_div[nr] = DIV_TO_REG(val);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000489
490 fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]);
491 fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8;
492 tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70)
493 : ((data->fan_div[nr]) & 0x07);
494 w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1],
495 fan_div_reg | tmp_fan_div);
496
497 /* Restore fan_min */
498 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
499 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]);
Yuan Mubed73082006-06-04 20:18:45 +0200500 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000501
502 return count;
503}
504
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000505/* read/write the temperature1, includes measured value and limits */
506
507static ssize_t show_temp1(struct device *dev, struct device_attribute *attr,
508 char *buf)
509{
510 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
511 int nr = sensor_attr->index;
512 struct w83792d_data *data = w83792d_update_device(dev);
513 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr]));
514}
515
516static ssize_t store_temp1(struct device *dev, struct device_attribute *attr,
517 const char *buf, size_t count)
518{
519 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
520 int nr = sensor_attr->index;
521 struct i2c_client *client = to_i2c_client(dev);
522 struct w83792d_data *data = i2c_get_clientdata(client);
Guenter Roeckd1743682012-01-15 10:13:12 -0800523 long val;
524 int err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000525
Guenter Roeckd1743682012-01-15 10:13:12 -0800526 err = kstrtol(buf, 10, &val);
527 if (err)
528 return err;
529
Yuan Mubed73082006-06-04 20:18:45 +0200530 mutex_lock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000531 data->temp1[nr] = TEMP1_TO_REG(val);
532 w83792d_write_value(client, W83792D_REG_TEMP1[nr],
533 data->temp1[nr]);
Yuan Mubed73082006-06-04 20:18:45 +0200534 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000535
536 return count;
537}
538
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000539/* read/write the temperature2-3, includes measured value and limits */
540
541static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,
542 char *buf)
543{
Guenter Roeckd1743682012-01-15 10:13:12 -0800544 struct sensor_device_attribute_2 *sensor_attr
545 = to_sensor_dev_attr_2(attr);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000546 int nr = sensor_attr->nr;
547 int index = sensor_attr->index;
548 struct w83792d_data *data = w83792d_update_device(dev);
Guenter Roeckd1743682012-01-15 10:13:12 -0800549 return sprintf(buf, "%ld\n",
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000550 (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index],
551 data->temp_add[nr][index+1]));
552}
553
554static ssize_t store_temp23(struct device *dev, struct device_attribute *attr,
555 const char *buf, size_t count)
556{
Guenter Roeckd1743682012-01-15 10:13:12 -0800557 struct sensor_device_attribute_2 *sensor_attr
558 = to_sensor_dev_attr_2(attr);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000559 int nr = sensor_attr->nr;
560 int index = sensor_attr->index;
561 struct i2c_client *client = to_i2c_client(dev);
562 struct w83792d_data *data = i2c_get_clientdata(client);
Guenter Roeckd1743682012-01-15 10:13:12 -0800563 long val;
564 int err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000565
Guenter Roeckd1743682012-01-15 10:13:12 -0800566 err = kstrtol(buf, 10, &val);
567 if (err)
568 return err;
569
Yuan Mubed73082006-06-04 20:18:45 +0200570 mutex_lock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000571 data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val);
572 data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val);
573 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index],
574 data->temp_add[nr][index]);
575 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1],
576 data->temp_add[nr][index+1]);
Yuan Mubed73082006-06-04 20:18:45 +0200577 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000578
579 return count;
580}
581
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000582/* get reatime status of all sensors items: voltage, temp, fan */
583static ssize_t
584show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
585{
586 struct w83792d_data *data = w83792d_update_device(dev);
587 return sprintf(buf, "%d\n", data->alarms);
588}
589
Gong Jun43e61a22007-07-13 18:45:54 +0200590static ssize_t show_alarm(struct device *dev,
591 struct device_attribute *attr, char *buf)
592{
593 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
594 int nr = sensor_attr->index;
595 struct w83792d_data *data = w83792d_update_device(dev);
596 return sprintf(buf, "%d\n", (data->alarms >> nr) & 1);
597}
598
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000599static ssize_t
600show_pwm(struct device *dev, struct device_attribute *attr,
601 char *buf)
602{
603 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
604 int nr = sensor_attr->index;
605 struct w83792d_data *data = w83792d_update_device(dev);
Yuan Mu53e27612006-06-04 20:18:05 +0200606 return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000607}
608
609static ssize_t
610show_pwmenable(struct device *dev, struct device_attribute *attr,
611 char *buf)
612{
613 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
614 int nr = sensor_attr->index - 1;
615 struct w83792d_data *data = w83792d_update_device(dev);
616 long pwm_enable_tmp = 1;
617
618 switch (data->pwmenable[nr]) {
619 case 0:
620 pwm_enable_tmp = 1; /* manual mode */
621 break;
622 case 1:
623 pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */
624 break;
625 case 2:
626 pwm_enable_tmp = 2; /* Smart Fan II */
627 break;
628 }
629
630 return sprintf(buf, "%ld\n", pwm_enable_tmp);
631}
632
633static ssize_t
634store_pwm(struct device *dev, struct device_attribute *attr,
635 const char *buf, size_t count)
636{
637 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Yuan Mu53e27612006-06-04 20:18:05 +0200638 int nr = sensor_attr->index;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000639 struct i2c_client *client = to_i2c_client(dev);
640 struct w83792d_data *data = i2c_get_clientdata(client);
Guenter Roeckd1743682012-01-15 10:13:12 -0800641 unsigned long val;
642 int err;
643
644 err = kstrtoul(buf, 10, &val);
645 if (err)
646 return err;
Guenter Roeck2a844c12013-01-09 08:09:34 -0800647 val = clamp_val(val, 0, 255) >> 4;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000648
Yuan Mu53e27612006-06-04 20:18:05 +0200649 mutex_lock(&data->update_lock);
650 val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0;
651 data->pwm[nr] = val;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000652 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]);
Yuan Mu53e27612006-06-04 20:18:05 +0200653 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000654
655 return count;
656}
657
658static ssize_t
659store_pwmenable(struct device *dev, struct device_attribute *attr,
660 const char *buf, size_t count)
661{
662 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
663 int nr = sensor_attr->index - 1;
664 struct i2c_client *client = to_i2c_client(dev);
665 struct w83792d_data *data = i2c_get_clientdata(client);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000666 u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp;
Guenter Roeckd1743682012-01-15 10:13:12 -0800667 unsigned long val;
668 int err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000669
Guenter Roeckd1743682012-01-15 10:13:12 -0800670 err = kstrtoul(buf, 10, &val);
671 if (err)
672 return err;
673
Yuan Mubed73082006-06-04 20:18:45 +0200674 if (val < 1 || val > 3)
675 return -EINVAL;
676
677 mutex_lock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000678 switch (val) {
679 case 1:
680 data->pwmenable[nr] = 0; /* manual mode */
681 break;
682 case 2:
683 data->pwmenable[nr] = 2; /* Smart Fan II */
684 break;
685 case 3:
686 data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */
687 break;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000688 }
689 cfg1_tmp = data->pwmenable[0];
690 cfg2_tmp = (data->pwmenable[1]) << 2;
691 cfg3_tmp = (data->pwmenable[2]) << 4;
Guenter Roeckd1743682012-01-15 10:13:12 -0800692 cfg4_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG) & 0xc0;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000693 fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp;
694 w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp);
Yuan Mubed73082006-06-04 20:18:45 +0200695 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000696
697 return count;
698}
699
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000700static ssize_t
701show_pwm_mode(struct device *dev, struct device_attribute *attr,
702 char *buf)
703{
704 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
705 int nr = sensor_attr->index;
706 struct w83792d_data *data = w83792d_update_device(dev);
Yuan Mu53e27612006-06-04 20:18:05 +0200707 return sprintf(buf, "%d\n", data->pwm[nr] >> 7);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000708}
709
710static ssize_t
711store_pwm_mode(struct device *dev, struct device_attribute *attr,
712 const char *buf, size_t count)
713{
714 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Yuan Mu53e27612006-06-04 20:18:05 +0200715 int nr = sensor_attr->index;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000716 struct i2c_client *client = to_i2c_client(dev);
717 struct w83792d_data *data = i2c_get_clientdata(client);
Guenter Roeckd1743682012-01-15 10:13:12 -0800718 unsigned long val;
719 int err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000720
Guenter Roeckd1743682012-01-15 10:13:12 -0800721 err = kstrtoul(buf, 10, &val);
722 if (err)
723 return err;
724 if (val > 1)
Yuan Mu53e27612006-06-04 20:18:05 +0200725 return -EINVAL;
726
727 mutex_lock(&data->update_lock);
728 data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]);
729 if (val) { /* PWM mode */
730 data->pwm[nr] |= 0x80;
731 } else { /* DC mode */
732 data->pwm[nr] &= 0x7f;
733 }
734 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]);
735 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000736
737 return count;
738}
739
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000740static ssize_t
Guenter Roeck1267ce92012-09-04 18:58:00 -0700741show_chassis_clear(struct device *dev, struct device_attribute *attr,
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000742 char *buf)
743{
744 struct w83792d_data *data = w83792d_update_device(dev);
745 return sprintf(buf, "%d\n", data->chassis);
746}
747
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000748static ssize_t
Jean Delvarec32301b2011-01-12 21:55:09 +0100749store_chassis_clear(struct device *dev, struct device_attribute *attr,
750 const char *buf, size_t count)
751{
752 struct i2c_client *client = to_i2c_client(dev);
753 struct w83792d_data *data = i2c_get_clientdata(client);
754 unsigned long val;
755 u8 reg;
756
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +0100757 if (kstrtoul(buf, 10, &val) || val != 0)
Jean Delvarec32301b2011-01-12 21:55:09 +0100758 return -EINVAL;
759
760 mutex_lock(&data->update_lock);
761 reg = w83792d_read_value(client, W83792D_REG_CHASSIS_CLR);
762 w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, reg | 0x80);
763 data->valid = 0; /* Force cache refresh */
764 mutex_unlock(&data->update_lock);
765
766 return count;
767}
768
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000769/* For Smart Fan I / Thermal Cruise */
770static ssize_t
771show_thermal_cruise(struct device *dev, struct device_attribute *attr,
772 char *buf)
773{
774 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
775 int nr = sensor_attr->index;
776 struct w83792d_data *data = w83792d_update_device(dev);
777 return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]);
778}
779
780static ssize_t
781store_thermal_cruise(struct device *dev, struct device_attribute *attr,
782 const char *buf, size_t count)
783{
784 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
785 int nr = sensor_attr->index - 1;
786 struct i2c_client *client = to_i2c_client(dev);
787 struct w83792d_data *data = i2c_get_clientdata(client);
Guenter Roeckd1743682012-01-15 10:13:12 -0800788 u8 target_tmp = 0, target_mask = 0;
789 unsigned long val;
790 int err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000791
Guenter Roeckd1743682012-01-15 10:13:12 -0800792 err = kstrtoul(buf, 10, &val);
793 if (err)
794 return err;
795
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000796 target_tmp = val;
797 target_tmp = target_tmp & 0x7f;
Yuan Mubed73082006-06-04 20:18:45 +0200798 mutex_lock(&data->update_lock);
Guenter Roeckd1743682012-01-15 10:13:12 -0800799 target_mask = w83792d_read_value(client,
800 W83792D_REG_THERMAL[nr]) & 0x80;
Guenter Roeck2a844c12013-01-09 08:09:34 -0800801 data->thermal_cruise[nr] = clamp_val(target_tmp, 0, 255);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000802 w83792d_write_value(client, W83792D_REG_THERMAL[nr],
803 (data->thermal_cruise[nr]) | target_mask);
Yuan Mubed73082006-06-04 20:18:45 +0200804 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000805
806 return count;
807}
808
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000809/* For Smart Fan I/Thermal Cruise and Smart Fan II */
810static ssize_t
811show_tolerance(struct device *dev, struct device_attribute *attr,
812 char *buf)
813{
814 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
815 int nr = sensor_attr->index;
816 struct w83792d_data *data = w83792d_update_device(dev);
817 return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]);
818}
819
820static ssize_t
821store_tolerance(struct device *dev, struct device_attribute *attr,
822 const char *buf, size_t count)
823{
824 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
825 int nr = sensor_attr->index - 1;
826 struct i2c_client *client = to_i2c_client(dev);
827 struct w83792d_data *data = i2c_get_clientdata(client);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000828 u8 tol_tmp, tol_mask;
Guenter Roeckd1743682012-01-15 10:13:12 -0800829 unsigned long val;
830 int err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000831
Guenter Roeckd1743682012-01-15 10:13:12 -0800832 err = kstrtoul(buf, 10, &val);
833 if (err)
834 return err;
835
Yuan Mubed73082006-06-04 20:18:45 +0200836 mutex_lock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000837 tol_mask = w83792d_read_value(client,
838 W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0);
Guenter Roeck2a844c12013-01-09 08:09:34 -0800839 tol_tmp = clamp_val(val, 0, 15);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000840 tol_tmp &= 0x0f;
841 data->tolerance[nr] = tol_tmp;
Guenter Roeckd1743682012-01-15 10:13:12 -0800842 if (nr == 1)
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000843 tol_tmp <<= 4;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000844 w83792d_write_value(client, W83792D_REG_TOLERANCE[nr],
845 tol_mask | tol_tmp);
Yuan Mubed73082006-06-04 20:18:45 +0200846 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000847
848 return count;
849}
850
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000851/* For Smart Fan II */
852static ssize_t
853show_sf2_point(struct device *dev, struct device_attribute *attr,
854 char *buf)
855{
Guenter Roeckd1743682012-01-15 10:13:12 -0800856 struct sensor_device_attribute_2 *sensor_attr
857 = to_sensor_dev_attr_2(attr);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000858 int nr = sensor_attr->nr;
859 int index = sensor_attr->index;
860 struct w83792d_data *data = w83792d_update_device(dev);
861 return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]);
862}
863
864static ssize_t
865store_sf2_point(struct device *dev, struct device_attribute *attr,
866 const char *buf, size_t count)
867{
Guenter Roeckd1743682012-01-15 10:13:12 -0800868 struct sensor_device_attribute_2 *sensor_attr
869 = to_sensor_dev_attr_2(attr);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000870 int nr = sensor_attr->nr - 1;
871 int index = sensor_attr->index - 1;
872 struct i2c_client *client = to_i2c_client(dev);
873 struct w83792d_data *data = i2c_get_clientdata(client);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000874 u8 mask_tmp = 0;
Guenter Roeckd1743682012-01-15 10:13:12 -0800875 unsigned long val;
876 int err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000877
Guenter Roeckd1743682012-01-15 10:13:12 -0800878 err = kstrtoul(buf, 10, &val);
879 if (err)
880 return err;
881
Yuan Mubed73082006-06-04 20:18:45 +0200882 mutex_lock(&data->update_lock);
Guenter Roeck2a844c12013-01-09 08:09:34 -0800883 data->sf2_points[index][nr] = clamp_val(val, 0, 127);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000884 mask_tmp = w83792d_read_value(client,
885 W83792D_REG_POINTS[index][nr]) & 0x80;
886 w83792d_write_value(client, W83792D_REG_POINTS[index][nr],
887 mask_tmp|data->sf2_points[index][nr]);
Yuan Mubed73082006-06-04 20:18:45 +0200888 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000889
890 return count;
891}
892
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000893static ssize_t
894show_sf2_level(struct device *dev, struct device_attribute *attr,
895 char *buf)
896{
Guenter Roeckd1743682012-01-15 10:13:12 -0800897 struct sensor_device_attribute_2 *sensor_attr
898 = to_sensor_dev_attr_2(attr);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000899 int nr = sensor_attr->nr;
900 int index = sensor_attr->index;
901 struct w83792d_data *data = w83792d_update_device(dev);
902 return sprintf(buf, "%d\n",
903 (((data->sf2_levels[index-1][nr]) * 100) / 15));
904}
905
906static ssize_t
907store_sf2_level(struct device *dev, struct device_attribute *attr,
908 const char *buf, size_t count)
909{
Guenter Roeckd1743682012-01-15 10:13:12 -0800910 struct sensor_device_attribute_2 *sensor_attr
911 = to_sensor_dev_attr_2(attr);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000912 int nr = sensor_attr->nr;
913 int index = sensor_attr->index - 1;
914 struct i2c_client *client = to_i2c_client(dev);
915 struct w83792d_data *data = i2c_get_clientdata(client);
Guenter Roeckd1743682012-01-15 10:13:12 -0800916 u8 mask_tmp = 0, level_tmp = 0;
917 unsigned long val;
918 int err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000919
Guenter Roeckd1743682012-01-15 10:13:12 -0800920 err = kstrtoul(buf, 10, &val);
921 if (err)
922 return err;
923
Yuan Mubed73082006-06-04 20:18:45 +0200924 mutex_lock(&data->update_lock);
Guenter Roeck2a844c12013-01-09 08:09:34 -0800925 data->sf2_levels[index][nr] = clamp_val((val * 15) / 100, 0, 15);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000926 mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr])
Guenter Roeckd1743682012-01-15 10:13:12 -0800927 & ((nr == 3) ? 0xf0 : 0x0f);
928 if (nr == 3)
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000929 level_tmp = data->sf2_levels[index][nr];
Guenter Roeckd1743682012-01-15 10:13:12 -0800930 else
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000931 level_tmp = data->sf2_levels[index][nr] << 4;
Guenter Roeckd1743682012-01-15 10:13:12 -0800932 w83792d_write_value(client, W83792D_REG_LEVELS[index][nr],
933 level_tmp | mask_tmp);
Yuan Mubed73082006-06-04 20:18:45 +0200934 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000935
936 return count;
937}
938
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000939
940static int
Jean Delvare31d5d272008-07-16 19:30:17 +0200941w83792d_detect_subclients(struct i2c_client *new_client)
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000942{
943 int i, id, err;
Jean Delvare31d5d272008-07-16 19:30:17 +0200944 int address = new_client->addr;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000945 u8 val;
Jean Delvare31d5d272008-07-16 19:30:17 +0200946 struct i2c_adapter *adapter = new_client->adapter;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000947 struct w83792d_data *data = i2c_get_clientdata(new_client);
948
949 id = i2c_adapter_id(adapter);
950 if (force_subclients[0] == id && force_subclients[1] == address) {
951 for (i = 2; i <= 3; i++) {
952 if (force_subclients[i] < 0x48 ||
953 force_subclients[i] > 0x4f) {
Guenter Roeckb55f3752013-01-10 10:01:24 -0800954 dev_err(&new_client->dev,
955 "invalid subclient address %d; must be 0x48-0x4f\n",
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000956 force_subclients[i]);
957 err = -ENODEV;
958 goto ERROR_SC_0;
959 }
960 }
961 w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR,
962 (force_subclients[2] & 0x07) |
963 ((force_subclients[3] & 0x07) << 4));
964 }
965
966 val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR);
Guenter Roeckd1743682012-01-15 10:13:12 -0800967 if (!(val & 0x08))
Jean Delvare31d5d272008-07-16 19:30:17 +0200968 data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7));
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000969 if (!(val & 0x80)) {
970 if ((data->lm75[0] != NULL) &&
971 ((val & 0x7) == ((val >> 4) & 0x7))) {
Guenter Roeckb55f3752013-01-10 10:01:24 -0800972 dev_err(&new_client->dev,
973 "duplicate addresses 0x%x, use force_subclient\n",
974 data->lm75[0]->addr);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000975 err = -ENODEV;
976 goto ERROR_SC_1;
977 }
Jean Delvare31d5d272008-07-16 19:30:17 +0200978 data->lm75[1] = i2c_new_dummy(adapter,
979 0x48 + ((val >> 4) & 0x7));
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000980 }
981
982 return 0;
983
984/* Undo inits in case of errors */
985
986ERROR_SC_1:
Jean Delvare31d5d272008-07-16 19:30:17 +0200987 if (data->lm75[0] != NULL)
988 i2c_unregister_device(data->lm75[0]);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +0000989ERROR_SC_0:
990 return err;
991}
992
Rudolf Marekf52f79d2006-09-24 21:24:12 +0200993static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0);
994static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
995static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
996static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
997static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);
998static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);
999static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);
1000static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);
1001static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);
1002static SENSOR_DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO,
1003 show_in_min, store_in_min, 0);
1004static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO,
1005 show_in_min, store_in_min, 1);
1006static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO,
1007 show_in_min, store_in_min, 2);
1008static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO,
1009 show_in_min, store_in_min, 3);
1010static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO,
1011 show_in_min, store_in_min, 4);
1012static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO,
1013 show_in_min, store_in_min, 5);
1014static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO,
1015 show_in_min, store_in_min, 6);
1016static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO,
1017 show_in_min, store_in_min, 7);
1018static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO,
1019 show_in_min, store_in_min, 8);
1020static SENSOR_DEVICE_ATTR(in0_max, S_IWUSR | S_IRUGO,
1021 show_in_max, store_in_max, 0);
1022static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO,
1023 show_in_max, store_in_max, 1);
1024static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO,
1025 show_in_max, store_in_max, 2);
1026static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO,
1027 show_in_max, store_in_max, 3);
1028static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO,
1029 show_in_max, store_in_max, 4);
1030static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO,
1031 show_in_max, store_in_max, 5);
1032static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO,
1033 show_in_max, store_in_max, 6);
1034static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO,
1035 show_in_max, store_in_max, 7);
1036static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO,
1037 show_in_max, store_in_max, 8);
1038static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0);
1039static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0);
1040static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0);
1041static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR,
1042 show_temp1, store_temp1, 0, 1);
1043static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23,
1044 store_temp23, 0, 2);
1045static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23,
1046 store_temp23, 1, 2);
1047static SENSOR_DEVICE_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR,
1048 show_temp1, store_temp1, 0, 2);
1049static SENSOR_DEVICE_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR,
1050 show_temp23, store_temp23, 0, 4);
1051static SENSOR_DEVICE_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR,
1052 show_temp23, store_temp23, 1, 4);
1053static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
Gong Jun43e61a22007-07-13 18:45:54 +02001054static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
1055static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
1056static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 2);
1057static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 3);
1058static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 4);
1059static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 5);
1060static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 6);
1061static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 7);
1062static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 8);
1063static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 9);
1064static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 10);
1065static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 11);
1066static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 12);
1067static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 15);
1068static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19);
1069static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20);
1070static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21);
1071static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22);
1072static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 23);
Jean Delvarec32301b2011-01-12 21:55:09 +01001073static DEVICE_ATTR(intrusion0_alarm, S_IRUGO | S_IWUSR,
Guenter Roeck1267ce92012-09-04 18:58:00 -07001074 show_chassis_clear, store_chassis_clear);
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001075static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0);
1076static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1);
1077static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2);
1078static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
1079 show_pwmenable, store_pwmenable, 1);
1080static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
1081 show_pwmenable, store_pwmenable, 2);
1082static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO,
1083 show_pwmenable, store_pwmenable, 3);
1084static SENSOR_DEVICE_ATTR(pwm1_mode, S_IWUSR | S_IRUGO,
1085 show_pwm_mode, store_pwm_mode, 0);
1086static SENSOR_DEVICE_ATTR(pwm2_mode, S_IWUSR | S_IRUGO,
1087 show_pwm_mode, store_pwm_mode, 1);
1088static SENSOR_DEVICE_ATTR(pwm3_mode, S_IWUSR | S_IRUGO,
1089 show_pwm_mode, store_pwm_mode, 2);
1090static SENSOR_DEVICE_ATTR(tolerance1, S_IWUSR | S_IRUGO,
1091 show_tolerance, store_tolerance, 1);
1092static SENSOR_DEVICE_ATTR(tolerance2, S_IWUSR | S_IRUGO,
1093 show_tolerance, store_tolerance, 2);
1094static SENSOR_DEVICE_ATTR(tolerance3, S_IWUSR | S_IRUGO,
1095 show_tolerance, store_tolerance, 3);
1096static SENSOR_DEVICE_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO,
1097 show_thermal_cruise, store_thermal_cruise, 1);
1098static SENSOR_DEVICE_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO,
1099 show_thermal_cruise, store_thermal_cruise, 2);
1100static SENSOR_DEVICE_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO,
1101 show_thermal_cruise, store_thermal_cruise, 3);
1102static SENSOR_DEVICE_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR,
1103 show_sf2_point, store_sf2_point, 1, 1);
1104static SENSOR_DEVICE_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR,
1105 show_sf2_point, store_sf2_point, 2, 1);
1106static SENSOR_DEVICE_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR,
1107 show_sf2_point, store_sf2_point, 3, 1);
1108static SENSOR_DEVICE_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR,
1109 show_sf2_point, store_sf2_point, 4, 1);
1110static SENSOR_DEVICE_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR,
1111 show_sf2_point, store_sf2_point, 1, 2);
1112static SENSOR_DEVICE_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR,
1113 show_sf2_point, store_sf2_point, 2, 2);
1114static SENSOR_DEVICE_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR,
1115 show_sf2_point, store_sf2_point, 3, 2);
1116static SENSOR_DEVICE_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR,
1117 show_sf2_point, store_sf2_point, 4, 2);
1118static SENSOR_DEVICE_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR,
1119 show_sf2_point, store_sf2_point, 1, 3);
1120static SENSOR_DEVICE_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR,
1121 show_sf2_point, store_sf2_point, 2, 3);
1122static SENSOR_DEVICE_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR,
1123 show_sf2_point, store_sf2_point, 3, 3);
1124static SENSOR_DEVICE_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR,
1125 show_sf2_point, store_sf2_point, 4, 3);
1126static SENSOR_DEVICE_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR,
1127 show_sf2_level, store_sf2_level, 1, 1);
1128static SENSOR_DEVICE_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR,
1129 show_sf2_level, store_sf2_level, 2, 1);
1130static SENSOR_DEVICE_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR,
1131 show_sf2_level, store_sf2_level, 3, 1);
1132static SENSOR_DEVICE_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR,
1133 show_sf2_level, store_sf2_level, 1, 2);
1134static SENSOR_DEVICE_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR,
1135 show_sf2_level, store_sf2_level, 2, 2);
1136static SENSOR_DEVICE_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR,
1137 show_sf2_level, store_sf2_level, 3, 2);
1138static SENSOR_DEVICE_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR,
1139 show_sf2_level, store_sf2_level, 1, 3);
1140static SENSOR_DEVICE_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR,
1141 show_sf2_level, store_sf2_level, 2, 3);
1142static SENSOR_DEVICE_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR,
1143 show_sf2_level, store_sf2_level, 3, 3);
1144static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1);
1145static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2);
1146static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3);
1147static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4);
1148static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5);
1149static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6);
1150static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7);
1151static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO,
1152 show_fan_min, store_fan_min, 1);
1153static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO,
1154 show_fan_min, store_fan_min, 2);
1155static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO,
1156 show_fan_min, store_fan_min, 3);
1157static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO,
1158 show_fan_min, store_fan_min, 4);
1159static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO,
1160 show_fan_min, store_fan_min, 5);
1161static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO,
1162 show_fan_min, store_fan_min, 6);
1163static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO,
1164 show_fan_min, store_fan_min, 7);
1165static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO,
1166 show_fan_div, store_fan_div, 1);
1167static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO,
1168 show_fan_div, store_fan_div, 2);
1169static SENSOR_DEVICE_ATTR(fan3_div, S_IWUSR | S_IRUGO,
1170 show_fan_div, store_fan_div, 3);
1171static SENSOR_DEVICE_ATTR(fan4_div, S_IWUSR | S_IRUGO,
1172 show_fan_div, store_fan_div, 4);
1173static SENSOR_DEVICE_ATTR(fan5_div, S_IWUSR | S_IRUGO,
1174 show_fan_div, store_fan_div, 5);
1175static SENSOR_DEVICE_ATTR(fan6_div, S_IWUSR | S_IRUGO,
1176 show_fan_div, store_fan_div, 6);
1177static SENSOR_DEVICE_ATTR(fan7_div, S_IWUSR | S_IRUGO,
1178 show_fan_div, store_fan_div, 7);
1179
Gong Jun43e61a22007-07-13 18:45:54 +02001180static struct attribute *w83792d_attributes_fan[4][5] = {
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001181 {
1182 &sensor_dev_attr_fan4_input.dev_attr.attr,
1183 &sensor_dev_attr_fan4_min.dev_attr.attr,
1184 &sensor_dev_attr_fan4_div.dev_attr.attr,
Gong Jun43e61a22007-07-13 18:45:54 +02001185 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001186 NULL
1187 }, {
1188 &sensor_dev_attr_fan5_input.dev_attr.attr,
1189 &sensor_dev_attr_fan5_min.dev_attr.attr,
1190 &sensor_dev_attr_fan5_div.dev_attr.attr,
Gong Jun43e61a22007-07-13 18:45:54 +02001191 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001192 NULL
1193 }, {
1194 &sensor_dev_attr_fan6_input.dev_attr.attr,
1195 &sensor_dev_attr_fan6_min.dev_attr.attr,
1196 &sensor_dev_attr_fan6_div.dev_attr.attr,
Gong Jun43e61a22007-07-13 18:45:54 +02001197 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001198 NULL
1199 }, {
1200 &sensor_dev_attr_fan7_input.dev_attr.attr,
1201 &sensor_dev_attr_fan7_min.dev_attr.attr,
1202 &sensor_dev_attr_fan7_div.dev_attr.attr,
Gong Jun43e61a22007-07-13 18:45:54 +02001203 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001204 NULL
1205 }
1206};
1207
1208static const struct attribute_group w83792d_group_fan[4] = {
1209 { .attrs = w83792d_attributes_fan[0] },
1210 { .attrs = w83792d_attributes_fan[1] },
1211 { .attrs = w83792d_attributes_fan[2] },
1212 { .attrs = w83792d_attributes_fan[3] },
1213};
1214
1215static struct attribute *w83792d_attributes[] = {
1216 &sensor_dev_attr_in0_input.dev_attr.attr,
1217 &sensor_dev_attr_in0_max.dev_attr.attr,
1218 &sensor_dev_attr_in0_min.dev_attr.attr,
1219 &sensor_dev_attr_in1_input.dev_attr.attr,
1220 &sensor_dev_attr_in1_max.dev_attr.attr,
1221 &sensor_dev_attr_in1_min.dev_attr.attr,
1222 &sensor_dev_attr_in2_input.dev_attr.attr,
1223 &sensor_dev_attr_in2_max.dev_attr.attr,
1224 &sensor_dev_attr_in2_min.dev_attr.attr,
1225 &sensor_dev_attr_in3_input.dev_attr.attr,
1226 &sensor_dev_attr_in3_max.dev_attr.attr,
1227 &sensor_dev_attr_in3_min.dev_attr.attr,
1228 &sensor_dev_attr_in4_input.dev_attr.attr,
1229 &sensor_dev_attr_in4_max.dev_attr.attr,
1230 &sensor_dev_attr_in4_min.dev_attr.attr,
1231 &sensor_dev_attr_in5_input.dev_attr.attr,
1232 &sensor_dev_attr_in5_max.dev_attr.attr,
1233 &sensor_dev_attr_in5_min.dev_attr.attr,
1234 &sensor_dev_attr_in6_input.dev_attr.attr,
1235 &sensor_dev_attr_in6_max.dev_attr.attr,
1236 &sensor_dev_attr_in6_min.dev_attr.attr,
1237 &sensor_dev_attr_in7_input.dev_attr.attr,
1238 &sensor_dev_attr_in7_max.dev_attr.attr,
1239 &sensor_dev_attr_in7_min.dev_attr.attr,
1240 &sensor_dev_attr_in8_input.dev_attr.attr,
1241 &sensor_dev_attr_in8_max.dev_attr.attr,
1242 &sensor_dev_attr_in8_min.dev_attr.attr,
Gong Jun43e61a22007-07-13 18:45:54 +02001243 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1244 &sensor_dev_attr_in1_alarm.dev_attr.attr,
1245 &sensor_dev_attr_in2_alarm.dev_attr.attr,
1246 &sensor_dev_attr_in3_alarm.dev_attr.attr,
1247 &sensor_dev_attr_in4_alarm.dev_attr.attr,
1248 &sensor_dev_attr_in5_alarm.dev_attr.attr,
1249 &sensor_dev_attr_in6_alarm.dev_attr.attr,
1250 &sensor_dev_attr_in7_alarm.dev_attr.attr,
1251 &sensor_dev_attr_in8_alarm.dev_attr.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001252 &sensor_dev_attr_temp1_input.dev_attr.attr,
1253 &sensor_dev_attr_temp1_max.dev_attr.attr,
1254 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
1255 &sensor_dev_attr_temp2_input.dev_attr.attr,
1256 &sensor_dev_attr_temp2_max.dev_attr.attr,
1257 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
1258 &sensor_dev_attr_temp3_input.dev_attr.attr,
1259 &sensor_dev_attr_temp3_max.dev_attr.attr,
1260 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
Gong Jun43e61a22007-07-13 18:45:54 +02001261 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
1262 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
1263 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001264 &sensor_dev_attr_pwm1.dev_attr.attr,
1265 &sensor_dev_attr_pwm1_mode.dev_attr.attr,
1266 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1267 &sensor_dev_attr_pwm2.dev_attr.attr,
1268 &sensor_dev_attr_pwm2_mode.dev_attr.attr,
1269 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1270 &sensor_dev_attr_pwm3.dev_attr.attr,
1271 &sensor_dev_attr_pwm3_mode.dev_attr.attr,
1272 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1273 &dev_attr_alarms.attr,
Jean Delvarec32301b2011-01-12 21:55:09 +01001274 &dev_attr_intrusion0_alarm.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001275 &sensor_dev_attr_tolerance1.dev_attr.attr,
1276 &sensor_dev_attr_thermal_cruise1.dev_attr.attr,
1277 &sensor_dev_attr_tolerance2.dev_attr.attr,
1278 &sensor_dev_attr_thermal_cruise2.dev_attr.attr,
1279 &sensor_dev_attr_tolerance3.dev_attr.attr,
1280 &sensor_dev_attr_thermal_cruise3.dev_attr.attr,
1281 &sensor_dev_attr_sf2_point1_fan1.dev_attr.attr,
1282 &sensor_dev_attr_sf2_point2_fan1.dev_attr.attr,
1283 &sensor_dev_attr_sf2_point3_fan1.dev_attr.attr,
1284 &sensor_dev_attr_sf2_point4_fan1.dev_attr.attr,
1285 &sensor_dev_attr_sf2_point1_fan2.dev_attr.attr,
1286 &sensor_dev_attr_sf2_point2_fan2.dev_attr.attr,
1287 &sensor_dev_attr_sf2_point3_fan2.dev_attr.attr,
1288 &sensor_dev_attr_sf2_point4_fan2.dev_attr.attr,
1289 &sensor_dev_attr_sf2_point1_fan3.dev_attr.attr,
1290 &sensor_dev_attr_sf2_point2_fan3.dev_attr.attr,
1291 &sensor_dev_attr_sf2_point3_fan3.dev_attr.attr,
1292 &sensor_dev_attr_sf2_point4_fan3.dev_attr.attr,
1293 &sensor_dev_attr_sf2_level1_fan1.dev_attr.attr,
1294 &sensor_dev_attr_sf2_level2_fan1.dev_attr.attr,
1295 &sensor_dev_attr_sf2_level3_fan1.dev_attr.attr,
1296 &sensor_dev_attr_sf2_level1_fan2.dev_attr.attr,
1297 &sensor_dev_attr_sf2_level2_fan2.dev_attr.attr,
1298 &sensor_dev_attr_sf2_level3_fan2.dev_attr.attr,
1299 &sensor_dev_attr_sf2_level1_fan3.dev_attr.attr,
1300 &sensor_dev_attr_sf2_level2_fan3.dev_attr.attr,
1301 &sensor_dev_attr_sf2_level3_fan3.dev_attr.attr,
1302 &sensor_dev_attr_fan1_input.dev_attr.attr,
1303 &sensor_dev_attr_fan1_min.dev_attr.attr,
1304 &sensor_dev_attr_fan1_div.dev_attr.attr,
Gong Jun43e61a22007-07-13 18:45:54 +02001305 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001306 &sensor_dev_attr_fan2_input.dev_attr.attr,
1307 &sensor_dev_attr_fan2_min.dev_attr.attr,
1308 &sensor_dev_attr_fan2_div.dev_attr.attr,
Gong Jun43e61a22007-07-13 18:45:54 +02001309 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001310 &sensor_dev_attr_fan3_input.dev_attr.attr,
1311 &sensor_dev_attr_fan3_min.dev_attr.attr,
1312 &sensor_dev_attr_fan3_div.dev_attr.attr,
Gong Jun43e61a22007-07-13 18:45:54 +02001313 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001314 NULL
1315};
1316
1317static const struct attribute_group w83792d_group = {
1318 .attrs = w83792d_attributes,
1319};
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001320
Jean Delvare31d5d272008-07-16 19:30:17 +02001321/* Return 0 if detection is successful, -ENODEV otherwise */
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001322static int
Jean Delvare310ec792009-12-14 21:17:23 +01001323w83792d_detect(struct i2c_client *client, struct i2c_board_info *info)
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001324{
Jean Delvare31d5d272008-07-16 19:30:17 +02001325 struct i2c_adapter *adapter = client->adapter;
1326 int val1, val2;
1327 unsigned short address = client->addr;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001328
Guenter Roeckd1743682012-01-15 10:13:12 -08001329 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
Jean Delvare31d5d272008-07-16 19:30:17 +02001330 return -ENODEV;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001331
Jean Delvare2de18752009-12-09 20:35:56 +01001332 if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80)
1333 return -ENODEV;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001334
Jean Delvare2de18752009-12-09 20:35:56 +01001335 val1 = w83792d_read_value(client, W83792D_REG_BANK);
1336 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);
1337 /* Check for Winbond ID if in bank 0 */
1338 if (!(val1 & 0x07)) { /* is Bank0 */
1339 if ((!(val1 & 0x80) && val2 != 0xa3) ||
Guenter Roeckd1743682012-01-15 10:13:12 -08001340 ((val1 & 0x80) && val2 != 0x5c))
Jean Delvare2de18752009-12-09 20:35:56 +01001341 return -ENODEV;
1342 }
Guenter Roeckd1743682012-01-15 10:13:12 -08001343 /*
1344 * If Winbond chip, address of chip and W83792D_REG_I2C_ADDR
1345 * should match
1346 */
Jean Delvare2de18752009-12-09 20:35:56 +01001347 if (w83792d_read_value(client, W83792D_REG_I2C_ADDR) != address)
1348 return -ENODEV;
1349
1350 /* Put it now into bank 0 and Vendor ID High Byte */
Yuan Mu1f8dae32006-01-18 23:11:55 +01001351 w83792d_write_value(client,
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001352 W83792D_REG_BANK,
Yuan Mu1f8dae32006-01-18 23:11:55 +01001353 (w83792d_read_value(client,
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001354 W83792D_REG_BANK) & 0x78) | 0x80);
1355
1356 /* Determine the chip type. */
Jean Delvare2de18752009-12-09 20:35:56 +01001357 val1 = w83792d_read_value(client, W83792D_REG_WCHIPID);
1358 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);
1359 if (val1 != 0x7a || val2 != 0x5c)
1360 return -ENODEV;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001361
Jean Delvare31d5d272008-07-16 19:30:17 +02001362 strlcpy(info->type, "w83792d", I2C_NAME_SIZE);
1363
1364 return 0;
1365}
1366
1367static int
1368w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id)
1369{
1370 struct w83792d_data *data;
1371 struct device *dev = &client->dev;
1372 int i, val1, err;
1373
Guenter Roeck140849e2012-06-02 11:48:00 -07001374 data = devm_kzalloc(dev, sizeof(struct w83792d_data), GFP_KERNEL);
1375 if (!data)
1376 return -ENOMEM;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001377
Jean Delvare31d5d272008-07-16 19:30:17 +02001378 i2c_set_clientdata(client, data);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001379 data->valid = 0;
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001380 mutex_init(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001381
Jean Delvare31d5d272008-07-16 19:30:17 +02001382 err = w83792d_detect_subclients(client);
1383 if (err)
Guenter Roeck140849e2012-06-02 11:48:00 -07001384 return err;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001385
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001386 /* Initialize the chip */
Yuan Mu1f8dae32006-01-18 23:11:55 +01001387 w83792d_init_client(client);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001388
1389 /* A few vars need to be filled upon startup */
Jean Delvare96320512005-11-29 22:27:14 +01001390 for (i = 0; i < 7; i++) {
Yuan Mu1f8dae32006-01-18 23:11:55 +01001391 data->fan_min[i] = w83792d_read_value(client,
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001392 W83792D_REG_FAN_MIN[i]);
1393 }
1394
1395 /* Register sysfs hooks */
Guenter Roeckd1743682012-01-15 10:13:12 -08001396 err = sysfs_create_group(&dev->kobj, &w83792d_group);
1397 if (err)
Guenter Roeck140849e2012-06-02 11:48:00 -07001398 goto exit_i2c_unregister;
Jean Delvare96320512005-11-29 22:27:14 +01001399
Guenter Roeckd1743682012-01-15 10:13:12 -08001400 /*
1401 * Read GPIO enable register to check if pins for fan 4,5 are used as
1402 * GPIO
1403 */
Yuan Mu1f8dae32006-01-18 23:11:55 +01001404 val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN);
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001405
Guenter Roeckd1743682012-01-15 10:13:12 -08001406 if (!(val1 & 0x40)) {
1407 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[0]);
1408 if (err)
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001409 goto exit_remove_files;
Guenter Roeckd1743682012-01-15 10:13:12 -08001410 }
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001411
Guenter Roeckd1743682012-01-15 10:13:12 -08001412 if (!(val1 & 0x20)) {
1413 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[1]);
1414 if (err)
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001415 goto exit_remove_files;
Guenter Roeckd1743682012-01-15 10:13:12 -08001416 }
Jean Delvare96320512005-11-29 22:27:14 +01001417
Yuan Mu1f8dae32006-01-18 23:11:55 +01001418 val1 = w83792d_read_value(client, W83792D_REG_PIN);
Guenter Roeckd1743682012-01-15 10:13:12 -08001419 if (val1 & 0x40) {
1420 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[2]);
1421 if (err)
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001422 goto exit_remove_files;
Guenter Roeckd1743682012-01-15 10:13:12 -08001423 }
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001424
Guenter Roeckd1743682012-01-15 10:13:12 -08001425 if (val1 & 0x04) {
1426 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[3]);
1427 if (err)
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001428 goto exit_remove_files;
Guenter Roeckd1743682012-01-15 10:13:12 -08001429 }
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001430
Tony Jones1beeffe2007-08-20 13:46:20 -07001431 data->hwmon_dev = hwmon_device_register(dev);
1432 if (IS_ERR(data->hwmon_dev)) {
1433 err = PTR_ERR(data->hwmon_dev);
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001434 goto exit_remove_files;
Yuan Mu1f8dae32006-01-18 23:11:55 +01001435 }
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001436
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001437 return 0;
1438
Rudolf Marekf52f79d2006-09-24 21:24:12 +02001439exit_remove_files:
1440 sysfs_remove_group(&dev->kobj, &w83792d_group);
1441 for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++)
1442 sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]);
Guenter Roeck140849e2012-06-02 11:48:00 -07001443exit_i2c_unregister:
Jean Delvare31d5d272008-07-16 19:30:17 +02001444 if (data->lm75[0] != NULL)
1445 i2c_unregister_device(data->lm75[0]);
1446 if (data->lm75[1] != NULL)
1447 i2c_unregister_device(data->lm75[1]);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001448 return err;
1449}
1450
1451static int
Jean Delvare31d5d272008-07-16 19:30:17 +02001452w83792d_remove(struct i2c_client *client)
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001453{
R.Marek@sh.cvut.czce785ab2005-07-27 11:50:18 +00001454 struct w83792d_data *data = i2c_get_clientdata(client);
Jean Delvare31d5d272008-07-16 19:30:17 +02001455 int i;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001456
Jean Delvare31d5d272008-07-16 19:30:17 +02001457 hwmon_device_unregister(data->hwmon_dev);
1458 sysfs_remove_group(&client->dev.kobj, &w83792d_group);
1459 for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++)
1460 sysfs_remove_group(&client->dev.kobj,
1461 &w83792d_group_fan[i]);
R.Marek@sh.cvut.czce785ab2005-07-27 11:50:18 +00001462
Jean Delvare31d5d272008-07-16 19:30:17 +02001463 if (data->lm75[0] != NULL)
1464 i2c_unregister_device(data->lm75[0]);
1465 if (data->lm75[1] != NULL)
1466 i2c_unregister_device(data->lm75[1]);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001467
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001468 return 0;
1469}
1470
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001471static void
1472w83792d_init_client(struct i2c_client *client)
1473{
1474 u8 temp2_cfg, temp3_cfg, vid_in_b;
1475
Guenter Roeckd1743682012-01-15 10:13:12 -08001476 if (init)
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001477 w83792d_write_value(client, W83792D_REG_CONFIG, 0x80);
Guenter Roeckd1743682012-01-15 10:13:12 -08001478
1479 /*
1480 * Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0):
1481 * W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of
1482 * vin0/vin1 can be modified by user;
1483 * W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of
1484 * vin0/vin1 auto-updated, can NOT be modified by user.
1485 */
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001486 vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B);
1487 w83792d_write_value(client, W83792D_REG_VID_IN_B,
1488 vid_in_b & 0xbf);
1489
1490 temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG);
1491 temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG);
1492 w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG,
1493 temp2_cfg & 0xe6);
1494 w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG,
1495 temp3_cfg & 0xe6);
1496
1497 /* Start monitoring */
1498 w83792d_write_value(client, W83792D_REG_CONFIG,
1499 (w83792d_read_value(client,
1500 W83792D_REG_CONFIG) & 0xf7)
1501 | 0x01);
1502}
1503
1504static struct w83792d_data *w83792d_update_device(struct device *dev)
1505{
1506 struct i2c_client *client = to_i2c_client(dev);
1507 struct w83792d_data *data = i2c_get_clientdata(client);
1508 int i, j;
Yuan Mu53e27612006-06-04 20:18:05 +02001509 u8 reg_array_tmp[4], reg_tmp;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001510
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001511 mutex_lock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001512
1513 if (time_after
1514 (jiffies - data->last_updated, (unsigned long) (HZ * 3))
1515 || time_before(jiffies, data->last_updated) || !data->valid) {
1516 dev_dbg(dev, "Starting device update\n");
1517
1518 /* Update the voltages measured value and limits */
1519 for (i = 0; i < 9; i++) {
1520 data->in[i] = w83792d_read_value(client,
1521 W83792D_REG_IN[i]);
1522 data->in_max[i] = w83792d_read_value(client,
1523 W83792D_REG_IN_MAX[i]);
1524 data->in_min[i] = w83792d_read_value(client,
1525 W83792D_REG_IN_MIN[i]);
1526 }
Jean Delvare99d85562005-12-18 16:34:28 +01001527 data->low_bits = w83792d_read_value(client,
1528 W83792D_REG_LOW_BITS1) +
1529 (w83792d_read_value(client,
1530 W83792D_REG_LOW_BITS2) << 8);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001531 for (i = 0; i < 7; i++) {
1532 /* Update the Fan measured value and limits */
1533 data->fan[i] = w83792d_read_value(client,
1534 W83792D_REG_FAN[i]);
1535 data->fan_min[i] = w83792d_read_value(client,
1536 W83792D_REG_FAN_MIN[i]);
1537 /* Update the PWM/DC Value and PWM/DC flag */
Yuan Mu53e27612006-06-04 20:18:05 +02001538 data->pwm[i] = w83792d_read_value(client,
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001539 W83792D_REG_PWM[i]);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001540 }
1541
1542 reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG);
1543 data->pwmenable[0] = reg_tmp & 0x03;
1544 data->pwmenable[1] = (reg_tmp>>2) & 0x03;
1545 data->pwmenable[2] = (reg_tmp>>4) & 0x03;
1546
1547 for (i = 0; i < 3; i++) {
1548 data->temp1[i] = w83792d_read_value(client,
1549 W83792D_REG_TEMP1[i]);
1550 }
1551 for (i = 0; i < 2; i++) {
1552 for (j = 0; j < 6; j++) {
1553 data->temp_add[i][j] = w83792d_read_value(
Guenter Roeckd1743682012-01-15 10:13:12 -08001554 client, W83792D_REG_TEMP_ADD[i][j]);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001555 }
1556 }
1557
1558 /* Update the Fan Divisor */
1559 for (i = 0; i < 4; i++) {
1560 reg_array_tmp[i] = w83792d_read_value(client,
1561 W83792D_REG_FAN_DIV[i]);
1562 }
1563 data->fan_div[0] = reg_array_tmp[0] & 0x07;
1564 data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07;
1565 data->fan_div[2] = reg_array_tmp[1] & 0x07;
1566 data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07;
1567 data->fan_div[4] = reg_array_tmp[2] & 0x07;
1568 data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07;
1569 data->fan_div[6] = reg_array_tmp[3] & 0x07;
1570
1571 /* Update the realtime status */
1572 data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) +
1573 (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) +
1574 (w83792d_read_value(client, W83792D_REG_ALARM3) << 16);
1575
1576 /* Update CaseOpen status and it's CLR_CHS. */
1577 data->chassis = (w83792d_read_value(client,
1578 W83792D_REG_CHASSIS) >> 5) & 0x01;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001579
1580 /* Update Thermal Cruise/Smart Fan I target value */
1581 for (i = 0; i < 3; i++) {
1582 data->thermal_cruise[i] =
1583 w83792d_read_value(client,
1584 W83792D_REG_THERMAL[i]) & 0x7f;
1585 }
1586
1587 /* Update Smart Fan I/II tolerance */
1588 reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]);
1589 data->tolerance[0] = reg_tmp & 0x0f;
1590 data->tolerance[1] = (reg_tmp >> 4) & 0x0f;
1591 data->tolerance[2] = w83792d_read_value(client,
1592 W83792D_REG_TOLERANCE[2]) & 0x0f;
1593
1594 /* Update Smart Fan II temperature points */
1595 for (i = 0; i < 3; i++) {
1596 for (j = 0; j < 4; j++) {
Guenter Roeckd1743682012-01-15 10:13:12 -08001597 data->sf2_points[i][j]
1598 = w83792d_read_value(client,
1599 W83792D_REG_POINTS[i][j]) & 0x7f;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001600 }
1601 }
1602
1603 /* Update Smart Fan II duty cycle levels */
1604 for (i = 0; i < 3; i++) {
1605 reg_tmp = w83792d_read_value(client,
1606 W83792D_REG_LEVELS[i][0]);
1607 data->sf2_levels[i][0] = reg_tmp & 0x0f;
1608 data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f;
1609 reg_tmp = w83792d_read_value(client,
1610 W83792D_REG_LEVELS[i][2]);
1611 data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f;
1612 data->sf2_levels[i][3] = reg_tmp & 0x0f;
1613 }
1614
1615 data->last_updated = jiffies;
1616 data->valid = 1;
1617 }
1618
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001619 mutex_unlock(&data->update_lock);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001620
1621#ifdef DEBUG
1622 w83792d_print_debug(data, dev);
1623#endif
1624
1625 return data;
1626}
1627
1628#ifdef DEBUG
1629static void w83792d_print_debug(struct w83792d_data *data, struct device *dev)
1630{
Guenter Roeckd1743682012-01-15 10:13:12 -08001631 int i = 0, j = 0;
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001632 dev_dbg(dev, "==========The following is the debug message...========\n");
1633 dev_dbg(dev, "9 set of Voltages: =====>\n");
Guenter Roeckd1743682012-01-15 10:13:12 -08001634 for (i = 0; i < 9; i++) {
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001635 dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]);
1636 dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]);
1637 dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]);
1638 }
Jean Delvare99d85562005-12-18 16:34:28 +01001639 dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff);
1640 dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001641 dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n");
Guenter Roeckd1743682012-01-15 10:13:12 -08001642 for (i = 0; i < 7; i++) {
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001643 dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]);
1644 dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]);
1645 dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001646 }
1647 dev_dbg(dev, "3 set of Temperatures: =====>\n");
Guenter Roeckd1743682012-01-15 10:13:12 -08001648 for (i = 0; i < 3; i++)
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001649 dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001650
Guenter Roeckd1743682012-01-15 10:13:12 -08001651 for (i = 0; i < 2; i++) {
1652 for (j = 0; j < 6; j++) {
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001653 dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j,
1654 data->temp_add[i][j]);
1655 }
1656 }
1657
Guenter Roeckd1743682012-01-15 10:13:12 -08001658 for (i = 0; i < 7; i++)
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001659 dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]);
Guenter Roeckd1743682012-01-15 10:13:12 -08001660
1661 dev_dbg(dev, "==========End of the debug message...================\n");
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001662 dev_dbg(dev, "\n");
1663}
1664#endif
1665
Axel Linf0967ee2012-01-20 15:38:18 +08001666module_i2c_driver(w83792d_driver);
R.Marek@sh.cvut.cz5563e272005-07-27 11:43:47 +00001667
1668MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>");
1669MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6");
1670MODULE_LICENSE("GPL");