diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/hwmon/Kconfig | 10 | ||||
-rw-r--r-- | drivers/hwmon/Makefile | 1 | ||||
-rw-r--r-- | drivers/hwmon/w83793.c | 1609 |
3 files changed, 1620 insertions, 0 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 5a0763197e21..23b7eac563b3 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig | |||
@@ -488,6 +488,16 @@ config SENSORS_W83792D | |||
488 | This driver can also be built as a module. If so, the module | 488 | This driver can also be built as a module. If so, the module |
489 | will be called w83792d. | 489 | will be called w83792d. |
490 | 490 | ||
491 | config SENSORS_W83793 | ||
492 | tristate "Winbond W83793" | ||
493 | depends on HWMON && I2C && EXPERIMENTAL | ||
494 | help | ||
495 | If you say yes here you get support for the Winbond W83793 | ||
496 | hardware monitoring chip. | ||
497 | |||
498 | This driver can also be built as a module. If so, the module | ||
499 | will be called w83793. | ||
500 | |||
491 | config SENSORS_W83L785TS | 501 | config SENSORS_W83L785TS |
492 | tristate "Winbond W83L785TS-S" | 502 | tristate "Winbond W83L785TS-S" |
493 | depends on HWMON && I2C && EXPERIMENTAL | 503 | depends on HWMON && I2C && EXPERIMENTAL |
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 95f3fc561186..8b0a8b54a366 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile | |||
@@ -9,6 +9,7 @@ obj-$(CONFIG_HWMON_VID) += hwmon-vid.o | |||
9 | obj-$(CONFIG_SENSORS_ASB100) += asb100.o | 9 | obj-$(CONFIG_SENSORS_ASB100) += asb100.o |
10 | obj-$(CONFIG_SENSORS_W83627HF) += w83627hf.o | 10 | obj-$(CONFIG_SENSORS_W83627HF) += w83627hf.o |
11 | obj-$(CONFIG_SENSORS_W83792D) += w83792d.o | 11 | obj-$(CONFIG_SENSORS_W83792D) += w83792d.o |
12 | obj-$(CONFIG_SENSORS_W83793) += w83793.o | ||
12 | obj-$(CONFIG_SENSORS_W83781D) += w83781d.o | 13 | obj-$(CONFIG_SENSORS_W83781D) += w83781d.o |
13 | obj-$(CONFIG_SENSORS_W83791D) += w83791d.o | 14 | obj-$(CONFIG_SENSORS_W83791D) += w83791d.o |
14 | 15 | ||
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c new file mode 100644 index 000000000000..c12ac5abc2bb --- /dev/null +++ b/drivers/hwmon/w83793.c | |||
@@ -0,0 +1,1609 @@ | |||
1 | /* | ||
2 | w83793.c - Linux kernel driver for hardware monitoring | ||
3 | Copyright (C) 2006 Winbond Electronics Corp. | ||
4 | Yuan Mu | ||
5 | Rudolf Marek <r.marek@assembler.cz> | ||
6 | |||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of the GNU General Public License as published by | ||
9 | the Free Software Foundation - version 2. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, | ||
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | GNU General Public License for more details. | ||
15 | |||
16 | You should have received a copy of the GNU General Public License | ||
17 | along with this program; if not, write to the Free Software | ||
18 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
19 | 02110-1301 USA. | ||
20 | */ | ||
21 | |||
22 | /* | ||
23 | Supports following chips: | ||
24 | |||
25 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA | ||
26 | w83793 10 12 8 6 0x7b 0x5ca3 yes no | ||
27 | */ | ||
28 | |||
29 | #include <linux/module.h> | ||
30 | #include <linux/init.h> | ||
31 | #include <linux/slab.h> | ||
32 | #include <linux/i2c.h> | ||
33 | #include <linux/hwmon.h> | ||
34 | #include <linux/hwmon-vid.h> | ||
35 | #include <linux/hwmon-sysfs.h> | ||
36 | #include <linux/err.h> | ||
37 | #include <linux/mutex.h> | ||
38 | |||
39 | /* Addresses to scan */ | ||
40 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; | ||
41 | |||
42 | /* Insmod parameters */ | ||
43 | I2C_CLIENT_INSMOD_1(w83793); | ||
44 | I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " | ||
45 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); | ||
46 | |||
47 | static int reset; | ||
48 | module_param(reset, bool, 0); | ||
49 | MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended"); | ||
50 | |||
51 | /* | ||
52 | Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved | ||
53 | as ID, Bank Select registers | ||
54 | */ | ||
55 | #define W83793_REG_BANKSEL 0x00 | ||
56 | #define W83793_REG_VENDORID 0x0d | ||
57 | #define W83793_REG_CHIPID 0x0e | ||
58 | #define W83793_REG_DEVICEID 0x0f | ||
59 | |||
60 | #define W83793_REG_CONFIG 0x40 | ||
61 | #define W83793_REG_MFC 0x58 | ||
62 | #define W83793_REG_FANIN_CTRL 0x5c | ||
63 | #define W83793_REG_FANIN_SEL 0x5d | ||
64 | #define W83793_REG_I2C_ADDR 0x0b | ||
65 | #define W83793_REG_I2C_SUBADDR 0x0c | ||
66 | #define W83793_REG_VID_INA 0x05 | ||
67 | #define W83793_REG_VID_INB 0x06 | ||
68 | #define W83793_REG_VID_LATCHA 0x07 | ||
69 | #define W83793_REG_VID_LATCHB 0x08 | ||
70 | #define W83793_REG_VID_CTRL 0x59 | ||
71 | |||
72 | static u16 W83793_REG_TEMP_MODE[2] = { 0x5e, 0x5f }; | ||
73 | |||
74 | #define TEMP_READ 0 | ||
75 | #define TEMP_CRIT 1 | ||
76 | #define TEMP_CRIT_HYST 2 | ||
77 | #define TEMP_WARN 3 | ||
78 | #define TEMP_WARN_HYST 4 | ||
79 | /* only crit and crit_hyst affect real-time alarm status | ||
80 | current crit crit_hyst warn warn_hyst */ | ||
81 | static u16 W83793_REG_TEMP[][5] = { | ||
82 | {0x1c, 0x78, 0x79, 0x7a, 0x7b}, | ||
83 | {0x1d, 0x7c, 0x7d, 0x7e, 0x7f}, | ||
84 | {0x1e, 0x80, 0x81, 0x82, 0x83}, | ||
85 | {0x1f, 0x84, 0x85, 0x86, 0x87}, | ||
86 | {0x20, 0x88, 0x89, 0x8a, 0x8b}, | ||
87 | {0x21, 0x8c, 0x8d, 0x8e, 0x8f}, | ||
88 | }; | ||
89 | |||
90 | #define W83793_REG_TEMP_LOW_BITS 0x22 | ||
91 | |||
92 | #define W83793_REG_BEEP(index) (0x53 + (index)) | ||
93 | #define W83793_REG_ALARM(index) (0x4b + (index)) | ||
94 | |||
95 | #define W83793_REG_CLR_CHASSIS 0x4a /* SMI MASK4 */ | ||
96 | #define W83793_REG_IRQ_CTRL 0x50 | ||
97 | #define W83793_REG_OVT_CTRL 0x51 | ||
98 | #define W83793_REG_OVT_BEEP 0x52 | ||
99 | |||
100 | #define IN_READ 0 | ||
101 | #define IN_MAX 1 | ||
102 | #define IN_LOW 2 | ||
103 | static const u16 W83793_REG_IN[][3] = { | ||
104 | /* Current, High, Low */ | ||
105 | {0x10, 0x60, 0x61}, /* Vcore A */ | ||
106 | {0x11, 0x62, 0x63}, /* Vcore B */ | ||
107 | {0x12, 0x64, 0x65}, /* Vtt */ | ||
108 | {0x14, 0x6a, 0x6b}, /* VSEN1 */ | ||
109 | {0x15, 0x6c, 0x6d}, /* VSEN2 */ | ||
110 | {0x16, 0x6e, 0x6f}, /* +3VSEN */ | ||
111 | {0x17, 0x70, 0x71}, /* +12VSEN */ | ||
112 | {0x18, 0x72, 0x73}, /* 5VDD */ | ||
113 | {0x19, 0x74, 0x75}, /* 5VSB */ | ||
114 | {0x1a, 0x76, 0x77}, /* VBAT */ | ||
115 | }; | ||
116 | |||
117 | /* Low Bits of Vcore A/B Vtt Read/High/Low */ | ||
118 | static const u16 W83793_REG_IN_LOW_BITS[] = { 0x1b, 0x68, 0x69 }; | ||
119 | static u8 scale_in[] = { 2, 2, 2, 16, 16, 16, 8, 24, 24, 16 }; | ||
120 | |||
121 | #define W83793_REG_FAN(index) (0x23 + 2 * (index)) /* High byte */ | ||
122 | #define W83793_REG_FAN_MIN(index) (0x90 + 2 * (index)) /* High byte */ | ||
123 | |||
124 | #define W83793_REG_PWM_DEFAULT 0xb2 | ||
125 | #define W83793_REG_PWM_ENABLE 0x207 | ||
126 | #define W83793_REG_PWM_UPTIME 0xc3 /* Unit in 0.1 second */ | ||
127 | #define W83793_REG_PWM_DOWNTIME 0xc4 /* Unit in 0.1 second */ | ||
128 | #define W83793_REG_TEMP_CRITICAL 0xc5 | ||
129 | |||
130 | #define PWM_DUTY 0 | ||
131 | #define PWM_START 1 | ||
132 | #define PWM_NONSTOP 2 | ||
133 | #define W83793_REG_PWM(index, nr) (((nr) == 0 ? 0xb3 : \ | ||
134 | (nr) == 1 ? 0x220 : 0x218) + (index)) | ||
135 | |||
136 | /* bit field, fan1 is bit0, fan2 is bit1 ... */ | ||
137 | #define W83793_REG_TEMP_FAN_MAP(index) (0x201 + (index)) | ||
138 | #define W83793_REG_TEMP_TOL(index) (0x208 + (index)) | ||
139 | #define W83793_REG_TEMP_CRUISE(index) (0x210 + (index)) | ||
140 | #define W83793_REG_PWM_STOP_TIME(index) (0x228 + (index)) | ||
141 | #define W83793_REG_SF2_TEMP(index, nr) (0x230 + ((index) << 4) + (nr)) | ||
142 | #define W83793_REG_SF2_PWM(index, nr) (0x238 + ((index) << 4) + (nr)) | ||
143 | |||
144 | static inline unsigned long FAN_FROM_REG(u16 val) | ||
145 | { | ||
146 | if ((val >= 0xfff) || (val == 0)) | ||
147 | return 0; | ||
148 | return (1350000UL / val); | ||
149 | } | ||
150 | |||
151 | static inline u16 FAN_TO_REG(long rpm) | ||
152 | { | ||
153 | if (rpm <= 0) | ||
154 | return 0x0fff; | ||
155 | return SENSORS_LIMIT((1350000 + (rpm >> 1)) / rpm, 1, 0xffe); | ||
156 | } | ||
157 | |||
158 | static inline unsigned long TIME_FROM_REG(u8 reg) | ||
159 | { | ||
160 | return (reg * 100); | ||
161 | } | ||
162 | |||
163 | static inline u8 TIME_TO_REG(unsigned long val) | ||
164 | { | ||
165 | return SENSORS_LIMIT((val + 50) / 100, 0, 0xff); | ||
166 | } | ||
167 | |||
168 | static inline long TEMP_FROM_REG(s8 reg) | ||
169 | { | ||
170 | return (reg * 1000); | ||
171 | } | ||
172 | |||
173 | static inline s8 TEMP_TO_REG(long val, s8 min, s8 max) | ||
174 | { | ||
175 | return SENSORS_LIMIT((val + (val < 0 ? -500 : 500)) / 1000, min, max); | ||
176 | } | ||
177 | |||
178 | struct w83793_data { | ||
179 | struct i2c_client client; | ||
180 | struct i2c_client *lm75[2]; | ||
181 | struct class_device *class_dev; | ||
182 | struct mutex update_lock; | ||
183 | char valid; /* !=0 if following fields are valid */ | ||
184 | unsigned long last_updated; /* In jiffies */ | ||
185 | unsigned long last_nonvolatile; /* In jiffies, last time we update the | ||
186 | nonvolatile registers */ | ||
187 | |||
188 | u8 bank; | ||
189 | u8 vrm; | ||
190 | u8 vid[2]; | ||
191 | u8 in[10][3]; /* Register value, read/high/low */ | ||
192 | u8 in_low_bits[3]; /* Additional resolution for VCore A/B Vtt */ | ||
193 | |||
194 | u16 has_fan; /* Only fan1- fan5 has own pins */ | ||
195 | u16 fan[12]; /* Register value combine */ | ||
196 | u16 fan_min[12]; /* Register value combine */ | ||
197 | |||
198 | s8 temp[6][5]; /* current, crit, crit_hyst,warn, warn_hyst */ | ||
199 | u8 temp_low_bits; /* Additional resolution TD1-TD4 */ | ||
200 | u8 temp_mode[2]; /* byte 0: Temp D1-D4 mode each has 2 bits | ||
201 | byte 1: Temp R1,R2 mode, each has 1 bit */ | ||
202 | u8 temp_critical; /* If reached all fan will be at full speed */ | ||
203 | u8 temp_fan_map[6]; /* Temp controls which pwm fan, bit field */ | ||
204 | |||
205 | u8 has_pwm; | ||
206 | u8 pwm_enable; /* Register value, each Temp has 1 bit */ | ||
207 | u8 pwm_uptime; /* Register value */ | ||
208 | u8 pwm_downtime; /* Register value */ | ||
209 | u8 pwm_default; /* All fan default pwm, next poweron valid */ | ||
210 | u8 pwm[8][3]; /* Register value */ | ||
211 | u8 pwm_stop_time[8]; | ||
212 | u8 temp_cruise[6]; | ||
213 | |||
214 | u8 alarms[5]; /* realtime status registers */ | ||
215 | u8 beeps[5]; | ||
216 | u8 beep_enable; | ||
217 | u8 tolerance[3]; /* Temp tolerance(Smart Fan I/II) */ | ||
218 | u8 sf2_pwm[6][7]; /* Smart FanII: Fan duty cycle */ | ||
219 | u8 sf2_temp[6][7]; /* Smart FanII: Temp level point */ | ||
220 | }; | ||
221 | |||
222 | static u8 w83793_read_value(struct i2c_client *client, u16 reg); | ||
223 | static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value); | ||
224 | static int w83793_attach_adapter(struct i2c_adapter *adapter); | ||
225 | static int w83793_detect(struct i2c_adapter *adapter, int address, int kind); | ||
226 | static int w83793_detach_client(struct i2c_client *client); | ||
227 | static void w83793_init_client(struct i2c_client *client); | ||
228 | static void w83793_update_nonvolatile(struct device *dev); | ||
229 | static struct w83793_data *w83793_update_device(struct device *dev); | ||
230 | |||
231 | static struct i2c_driver w83793_driver = { | ||
232 | .driver = { | ||
233 | .name = "w83793", | ||
234 | }, | ||
235 | .attach_adapter = w83793_attach_adapter, | ||
236 | .detach_client = w83793_detach_client, | ||
237 | }; | ||
238 | |||
239 | static ssize_t | ||
240 | show_vrm(struct device *dev, struct device_attribute *attr, char *buf) | ||
241 | { | ||
242 | struct i2c_client *client = to_i2c_client(dev); | ||
243 | struct w83793_data *data = i2c_get_clientdata(client); | ||
244 | |||
245 | return sprintf(buf, "%d\n", data->vrm); | ||
246 | } | ||
247 | |||
248 | static ssize_t | ||
249 | show_vid(struct device *dev, struct device_attribute *attr, char *buf) | ||
250 | { | ||
251 | struct w83793_data *data = w83793_update_device(dev); | ||
252 | struct sensor_device_attribute_2 *sensor_attr = | ||
253 | to_sensor_dev_attr_2(attr); | ||
254 | int index = sensor_attr->index; | ||
255 | |||
256 | return sprintf(buf, "%d\n", vid_from_reg(data->vid[index], data->vrm)); | ||
257 | } | ||
258 | |||
259 | static ssize_t | ||
260 | store_vrm(struct device *dev, struct device_attribute *attr, | ||
261 | const char *buf, size_t count) | ||
262 | { | ||
263 | struct i2c_client *client = to_i2c_client(dev); | ||
264 | struct w83793_data *data = i2c_get_clientdata(client); | ||
265 | |||
266 | data->vrm = simple_strtoul(buf, NULL, 10); | ||
267 | return count; | ||
268 | } | ||
269 | |||
270 | #define ALARM_STATUS 0 | ||
271 | #define BEEP_ENABLE 1 | ||
272 | static ssize_t | ||
273 | show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf) | ||
274 | { | ||
275 | struct w83793_data *data = w83793_update_device(dev); | ||
276 | struct sensor_device_attribute_2 *sensor_attr = | ||
277 | to_sensor_dev_attr_2(attr); | ||
278 | int nr = sensor_attr->nr; | ||
279 | int index = sensor_attr->index >> 3; | ||
280 | int bit = sensor_attr->index & 0x07; | ||
281 | u8 val; | ||
282 | |||
283 | if (ALARM_STATUS == nr) { | ||
284 | val = (data->alarms[index] >> (bit)) & 1; | ||
285 | } else { /* BEEP_ENABLE */ | ||
286 | val = (data->beeps[index] >> (bit)) & 1; | ||
287 | } | ||
288 | |||
289 | return sprintf(buf, "%u\n", val); | ||
290 | } | ||
291 | |||
292 | static ssize_t | ||
293 | store_beep(struct device *dev, struct device_attribute *attr, | ||
294 | const char *buf, size_t count) | ||
295 | { | ||
296 | struct i2c_client *client = to_i2c_client(dev); | ||
297 | struct w83793_data *data = i2c_get_clientdata(client); | ||
298 | struct sensor_device_attribute_2 *sensor_attr = | ||
299 | to_sensor_dev_attr_2(attr); | ||
300 | int index = sensor_attr->index >> 3; | ||
301 | int shift = sensor_attr->index & 0x07; | ||
302 | u8 beep_bit = 1 << shift; | ||
303 | u8 val; | ||
304 | |||
305 | val = simple_strtoul(buf, NULL, 10); | ||
306 | if (val != 0 && val != 1) | ||
307 | return -EINVAL; | ||
308 | |||
309 | mutex_lock(&data->update_lock); | ||
310 | data->beeps[index] = w83793_read_value(client, W83793_REG_BEEP(index)); | ||
311 | data->beeps[index] &= ~beep_bit; | ||
312 | data->beeps[index] |= val << shift; | ||
313 | w83793_write_value(client, W83793_REG_BEEP(index), data->beeps[index]); | ||
314 | mutex_unlock(&data->update_lock); | ||
315 | |||
316 | return count; | ||
317 | } | ||
318 | |||
319 | static ssize_t | ||
320 | show_beep_enable(struct device *dev, struct device_attribute *attr, char *buf) | ||
321 | { | ||
322 | struct w83793_data *data = w83793_update_device(dev); | ||
323 | return sprintf(buf, "%u\n", (data->beep_enable >> 1) & 0x01); | ||
324 | } | ||
325 | |||
326 | static ssize_t | ||
327 | store_beep_enable(struct device *dev, struct device_attribute *attr, | ||
328 | const char *buf, size_t count) | ||
329 | { | ||
330 | struct i2c_client *client = to_i2c_client(dev); | ||
331 | struct w83793_data *data = i2c_get_clientdata(client); | ||
332 | u8 val = simple_strtoul(buf, NULL, 10); | ||
333 | |||
334 | if (val != 0 && val != 1) | ||
335 | return -EINVAL; | ||
336 | |||
337 | mutex_lock(&data->update_lock); | ||
338 | data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP) | ||
339 | & 0xfd; | ||
340 | data->beep_enable |= val << 1; | ||
341 | w83793_write_value(client, W83793_REG_OVT_BEEP, data->beep_enable); | ||
342 | mutex_unlock(&data->update_lock); | ||
343 | |||
344 | return count; | ||
345 | } | ||
346 | |||
347 | /* Write any value to clear chassis alarm */ | ||
348 | static ssize_t | ||
349 | store_chassis_clear(struct device *dev, | ||
350 | struct device_attribute *attr, const char *buf, | ||
351 | size_t count) | ||
352 | { | ||
353 | struct i2c_client *client = to_i2c_client(dev); | ||
354 | struct w83793_data *data = i2c_get_clientdata(client); | ||
355 | u8 val; | ||
356 | |||
357 | mutex_lock(&data->update_lock); | ||
358 | val = w83793_read_value(client, W83793_REG_CLR_CHASSIS); | ||
359 | val |= 0x80; | ||
360 | w83793_write_value(client, W83793_REG_CLR_CHASSIS, val); | ||
361 | mutex_unlock(&data->update_lock); | ||
362 | return count; | ||
363 | } | ||
364 | |||
365 | #define FAN_INPUT 0 | ||
366 | #define FAN_MIN 1 | ||
367 | static ssize_t | ||
368 | show_fan(struct device *dev, struct device_attribute *attr, char *buf) | ||
369 | { | ||
370 | struct sensor_device_attribute_2 *sensor_attr = | ||
371 | to_sensor_dev_attr_2(attr); | ||
372 | int nr = sensor_attr->nr; | ||
373 | int index = sensor_attr->index; | ||
374 | struct w83793_data *data = w83793_update_device(dev); | ||
375 | u16 val; | ||
376 | |||
377 | if (FAN_INPUT == nr) { | ||
378 | val = data->fan[index] & 0x0fff; | ||
379 | } else { | ||
380 | val = data->fan_min[index] & 0x0fff; | ||
381 | } | ||
382 | |||
383 | return sprintf(buf, "%lu\n", FAN_FROM_REG(val)); | ||
384 | } | ||
385 | |||
386 | static ssize_t | ||
387 | store_fan_min(struct device *dev, struct device_attribute *attr, | ||
388 | const char *buf, size_t count) | ||
389 | { | ||
390 | struct sensor_device_attribute_2 *sensor_attr = | ||
391 | to_sensor_dev_attr_2(attr); | ||
392 | int index = sensor_attr->index; | ||
393 | struct i2c_client *client = to_i2c_client(dev); | ||
394 | struct w83793_data *data = i2c_get_clientdata(client); | ||
395 | u16 val = FAN_TO_REG(simple_strtoul(buf, NULL, 10)); | ||
396 | |||
397 | mutex_lock(&data->update_lock); | ||
398 | data->fan_min[index] = val; | ||
399 | w83793_write_value(client, W83793_REG_FAN_MIN(index), | ||
400 | (val >> 8) & 0xff); | ||
401 | w83793_write_value(client, W83793_REG_FAN_MIN(index) + 1, val & 0xff); | ||
402 | mutex_unlock(&data->update_lock); | ||
403 | |||
404 | return count; | ||
405 | } | ||
406 | |||
407 | #define PWM_DUTY 0 | ||
408 | #define PWM_START 1 | ||
409 | #define PWM_NONSTOP 2 | ||
410 | #define PWM_STOP_TIME 3 | ||
411 | static ssize_t | ||
412 | show_pwm(struct device *dev, struct device_attribute *attr, char *buf) | ||
413 | { | ||
414 | struct sensor_device_attribute_2 *sensor_attr = | ||
415 | to_sensor_dev_attr_2(attr); | ||
416 | struct w83793_data *data = w83793_update_device(dev); | ||
417 | u16 val; | ||
418 | int nr = sensor_attr->nr; | ||
419 | int index = sensor_attr->index; | ||
420 | |||
421 | if (PWM_STOP_TIME == nr) | ||
422 | val = TIME_FROM_REG(data->pwm_stop_time[index]); | ||
423 | else | ||
424 | val = (data->pwm[index][nr] & 0x3f) << 2; | ||
425 | |||
426 | return sprintf(buf, "%d\n", val); | ||
427 | } | ||
428 | |||
429 | static ssize_t | ||
430 | store_pwm(struct device *dev, struct device_attribute *attr, | ||
431 | const char *buf, size_t count) | ||
432 | { | ||
433 | struct i2c_client *client = to_i2c_client(dev); | ||
434 | struct w83793_data *data = i2c_get_clientdata(client); | ||
435 | struct sensor_device_attribute_2 *sensor_attr = | ||
436 | to_sensor_dev_attr_2(attr); | ||
437 | int nr = sensor_attr->nr; | ||
438 | int index = sensor_attr->index; | ||
439 | u8 val; | ||
440 | |||
441 | mutex_lock(&data->update_lock); | ||
442 | if (PWM_STOP_TIME == nr) { | ||
443 | val = TIME_TO_REG(simple_strtoul(buf, NULL, 10)); | ||
444 | data->pwm_stop_time[index] = val; | ||
445 | w83793_write_value(client, W83793_REG_PWM_STOP_TIME(index), | ||
446 | val); | ||
447 | } else { | ||
448 | val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff) | ||
449 | >> 2; | ||
450 | data->pwm[index][nr] = | ||
451 | w83793_read_value(client, W83793_REG_PWM(index, nr)) & 0xc0; | ||
452 | data->pwm[index][nr] |= val; | ||
453 | w83793_write_value(client, W83793_REG_PWM(index, nr), | ||
454 | data->pwm[index][nr]); | ||
455 | } | ||
456 | |||
457 | mutex_unlock(&data->update_lock); | ||
458 | return count; | ||
459 | } | ||
460 | |||
461 | static ssize_t | ||
462 | show_temp(struct device *dev, struct device_attribute *attr, char *buf) | ||
463 | { | ||
464 | struct sensor_device_attribute_2 *sensor_attr = | ||
465 | to_sensor_dev_attr_2(attr); | ||
466 | int nr = sensor_attr->nr; | ||
467 | int index = sensor_attr->index; | ||
468 | struct w83793_data *data = w83793_update_device(dev); | ||
469 | long temp = TEMP_FROM_REG(data->temp[index][nr]); | ||
470 | |||
471 | if (TEMP_READ == nr && index < 4) { /* Only TD1-TD4 have low bits */ | ||
472 | int low = ((data->temp_low_bits >> (index * 2)) & 0x03) * 250; | ||
473 | temp += temp > 0 ? low : -low; | ||
474 | } | ||
475 | return sprintf(buf, "%ld\n", temp); | ||
476 | } | ||
477 | |||
478 | static ssize_t | ||
479 | store_temp(struct device *dev, struct device_attribute *attr, | ||
480 | const char *buf, size_t count) | ||
481 | { | ||
482 | struct sensor_device_attribute_2 *sensor_attr = | ||
483 | to_sensor_dev_attr_2(attr); | ||
484 | int nr = sensor_attr->nr; | ||
485 | int index = sensor_attr->index; | ||
486 | struct i2c_client *client = to_i2c_client(dev); | ||
487 | struct w83793_data *data = i2c_get_clientdata(client); | ||
488 | long tmp = simple_strtol(buf, NULL, 10); | ||
489 | |||
490 | mutex_lock(&data->update_lock); | ||
491 | data->temp[index][nr] = TEMP_TO_REG(tmp, -128, 127); | ||
492 | w83793_write_value(client, W83793_REG_TEMP[index][nr], | ||
493 | data->temp[index][nr]); | ||
494 | mutex_unlock(&data->update_lock); | ||
495 | return count; | ||
496 | } | ||
497 | |||
498 | /* | ||
499 | TD1-TD4 | ||
500 | each has 4 mode:(2 bits) | ||
501 | 0: Stop monitor | ||
502 | 1: Use internal temp sensor(default) | ||
503 | 2: Use sensor in AMD CPU and get result by AMDSI | ||
504 | 3: Use sensor in Intel CPU and get result by PECI | ||
505 | |||
506 | TR1-TR2 | ||
507 | each has 2 mode:(1 bit) | ||
508 | 0: Disable temp sensor monitor | ||
509 | 1: To enable temp sensors monitor | ||
510 | */ | ||
511 | |||
512 | /* 0 disable, 5 AMDSI, 6 PECI */ | ||
513 | static u8 TO_TEMP_MODE[] = { 0, 0, 5, 6 }; | ||
514 | |||
515 | static ssize_t | ||
516 | show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf) | ||
517 | { | ||
518 | struct w83793_data *data = w83793_update_device(dev); | ||
519 | struct sensor_device_attribute_2 *sensor_attr = | ||
520 | to_sensor_dev_attr_2(attr); | ||
521 | int index = sensor_attr->index; | ||
522 | u8 mask = (index < 4) ? 0x03 : 0x01; | ||
523 | u8 shift = (index < 4) ? (2 * index) : (index - 4); | ||
524 | u8 tmp; | ||
525 | index = (index < 4) ? 0 : 1; | ||
526 | |||
527 | tmp = (data->temp_mode[index] >> shift) & mask; | ||
528 | |||
529 | /* for the internal sensor, found out if diode or thermistor */ | ||
530 | if (tmp == 1) { | ||
531 | tmp = index == 0 ? 3 : 4; | ||
532 | } else { | ||
533 | tmp = TO_TEMP_MODE[tmp]; | ||
534 | } | ||
535 | |||
536 | return sprintf(buf, "%d\n", tmp); | ||
537 | } | ||
538 | |||
539 | static ssize_t | ||
540 | store_temp_mode(struct device *dev, struct device_attribute *attr, | ||
541 | const char *buf, size_t count) | ||
542 | { | ||
543 | struct i2c_client *client = to_i2c_client(dev); | ||
544 | struct w83793_data *data = i2c_get_clientdata(client); | ||
545 | struct sensor_device_attribute_2 *sensor_attr = | ||
546 | to_sensor_dev_attr_2(attr); | ||
547 | int index = sensor_attr->index; | ||
548 | u8 mask = (index < 4) ? 0x03 : 0x01; | ||
549 | u8 shift = (index < 4) ? (2 * index) : (index - 4); | ||
550 | u8 val = simple_strtoul(buf, NULL, 10); | ||
551 | |||
552 | /* transform the sysfs interface values into table above */ | ||
553 | if ((val == 5 || val == 6) && (index < 4)) { | ||
554 | val -= 3; | ||
555 | } else if ((val == 3 && index < 4) | ||
556 | || (val == 4 && index >= 4) | ||
557 | || val == 0) { | ||
558 | /* transform diode or thermistor into internal enable */ | ||
559 | val = !!val; | ||
560 | } else { | ||
561 | return -EINVAL; | ||
562 | } | ||
563 | |||
564 | index = (index < 4) ? 0 : 1; | ||
565 | mutex_lock(&data->update_lock); | ||
566 | data->temp_mode[index] = | ||
567 | w83793_read_value(client, W83793_REG_TEMP_MODE[index]); | ||
568 | data->temp_mode[index] &= ~(mask << shift); | ||
569 | data->temp_mode[index] |= val << shift; | ||
570 | w83793_write_value(client, W83793_REG_TEMP_MODE[index], | ||
571 | data->temp_mode[index]); | ||
572 | mutex_unlock(&data->update_lock); | ||
573 | |||
574 | return count; | ||
575 | } | ||
576 | |||
577 | #define SETUP_PWM_DEFAULT 0 | ||
578 | #define SETUP_PWM_UPTIME 1 /* Unit in 0.1s */ | ||
579 | #define SETUP_PWM_DOWNTIME 2 /* Unit in 0.1s */ | ||
580 | #define SETUP_TEMP_CRITICAL 3 | ||
581 | static ssize_t | ||
582 | show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf) | ||
583 | { | ||
584 | struct sensor_device_attribute_2 *sensor_attr = | ||
585 | to_sensor_dev_attr_2(attr); | ||
586 | int nr = sensor_attr->nr; | ||
587 | struct w83793_data *data = w83793_update_device(dev); | ||
588 | u32 val = 0; | ||
589 | |||
590 | if (SETUP_PWM_DEFAULT == nr) { | ||
591 | val = (data->pwm_default & 0x3f) << 2; | ||
592 | } else if (SETUP_PWM_UPTIME == nr) { | ||
593 | val = TIME_FROM_REG(data->pwm_uptime); | ||
594 | } else if (SETUP_PWM_DOWNTIME == nr) { | ||
595 | val = TIME_FROM_REG(data->pwm_downtime); | ||
596 | } else if (SETUP_TEMP_CRITICAL == nr) { | ||
597 | val = TEMP_FROM_REG(data->temp_critical & 0x7f); | ||
598 | } | ||
599 | |||
600 | return sprintf(buf, "%d\n", val); | ||
601 | } | ||
602 | |||
603 | static ssize_t | ||
604 | store_sf_setup(struct device *dev, struct device_attribute *attr, | ||
605 | const char *buf, size_t count) | ||
606 | { | ||
607 | struct sensor_device_attribute_2 *sensor_attr = | ||
608 | to_sensor_dev_attr_2(attr); | ||
609 | int nr = sensor_attr->nr; | ||
610 | struct i2c_client *client = to_i2c_client(dev); | ||
611 | struct w83793_data *data = i2c_get_clientdata(client); | ||
612 | |||
613 | mutex_lock(&data->update_lock); | ||
614 | if (SETUP_PWM_DEFAULT == nr) { | ||
615 | data->pwm_default = | ||
616 | w83793_read_value(client, W83793_REG_PWM_DEFAULT) & 0xc0; | ||
617 | data->pwm_default |= SENSORS_LIMIT(simple_strtoul(buf, NULL, | ||
618 | 10), | ||
619 | 0, 0xff) >> 2; | ||
620 | w83793_write_value(client, W83793_REG_PWM_DEFAULT, | ||
621 | data->pwm_default); | ||
622 | } else if (SETUP_PWM_UPTIME == nr) { | ||
623 | data->pwm_uptime = TIME_TO_REG(simple_strtoul(buf, NULL, 10)); | ||
624 | data->pwm_uptime += data->pwm_uptime == 0 ? 1 : 0; | ||
625 | w83793_write_value(client, W83793_REG_PWM_UPTIME, | ||
626 | data->pwm_uptime); | ||
627 | } else if (SETUP_PWM_DOWNTIME == nr) { | ||
628 | data->pwm_downtime = TIME_TO_REG(simple_strtoul(buf, NULL, 10)); | ||
629 | data->pwm_downtime += data->pwm_downtime == 0 ? 1 : 0; | ||
630 | w83793_write_value(client, W83793_REG_PWM_DOWNTIME, | ||
631 | data->pwm_downtime); | ||
632 | } else { /* SETUP_TEMP_CRITICAL */ | ||
633 | data->temp_critical = | ||
634 | w83793_read_value(client, W83793_REG_TEMP_CRITICAL) & 0x80; | ||
635 | data->temp_critical |= TEMP_TO_REG(simple_strtol(buf, NULL, 10), | ||
636 | 0, 0x7f); | ||
637 | w83793_write_value(client, W83793_REG_TEMP_CRITICAL, | ||
638 | data->temp_critical); | ||
639 | } | ||
640 | |||
641 | mutex_unlock(&data->update_lock); | ||
642 | return count; | ||
643 | } | ||
644 | |||
645 | /* | ||
646 | Temp SmartFan control | ||
647 | TEMP_FAN_MAP | ||
648 | Temp channel control which pwm fan, bitfield, bit 0 indicate pwm1... | ||
649 | It's possible two or more temp channels control the same fan, w83793 | ||
650 | always prefers to pick the most critical request and applies it to | ||
651 | the related Fan. | ||
652 | It's possible one fan is not in any mapping of 6 temp channels, this | ||
653 | means the fan is manual mode | ||
654 | |||
655 | TEMP_PWM_ENABLE | ||
656 | Each temp channel has its own SmartFan mode, and temp channel | ||
657 | control fans that are set by TEMP_FAN_MAP | ||
658 | 0: SmartFanII mode | ||
659 | 1: Thermal Cruise Mode | ||
660 | |||
661 | TEMP_CRUISE | ||
662 | Target temperature in thermal cruise mode, w83793 will try to turn | ||
663 | fan speed to keep the temperature of target device around this | ||
664 | temperature. | ||
665 | |||
666 | TEMP_TOLERANCE | ||
667 | If Temp higher or lower than target with this tolerance, w83793 | ||
668 | will take actions to speed up or slow down the fan to keep the | ||
669 | temperature within the tolerance range. | ||
670 | */ | ||
671 | |||
672 | #define TEMP_FAN_MAP 0 | ||
673 | #define TEMP_PWM_ENABLE 1 | ||
674 | #define TEMP_CRUISE 2 | ||
675 | #define TEMP_TOLERANCE 3 | ||
676 | static ssize_t | ||
677 | show_sf_ctrl(struct device *dev, struct device_attribute *attr, char *buf) | ||
678 | { | ||
679 | struct sensor_device_attribute_2 *sensor_attr = | ||
680 | to_sensor_dev_attr_2(attr); | ||
681 | int nr = sensor_attr->nr; | ||
682 | int index = sensor_attr->index; | ||
683 | struct w83793_data *data = w83793_update_device(dev); | ||
684 | u32 val; | ||
685 | |||
686 | if (TEMP_FAN_MAP == nr) { | ||
687 | val = data->temp_fan_map[index]; | ||
688 | } else if (TEMP_PWM_ENABLE == nr) { | ||
689 | /* +2 to transfrom into 2 and 3 to conform with sysfs intf */ | ||
690 | val = ((data->pwm_enable >> index) & 0x01) + 2; | ||
691 | } else if (TEMP_CRUISE == nr) { | ||
692 | val = TEMP_FROM_REG(data->temp_cruise[index] & 0x7f); | ||
693 | } else { /* TEMP_TOLERANCE */ | ||
694 | val = data->tolerance[index >> 1] >> ((index & 0x01) ? 4 : 0); | ||
695 | val = TEMP_FROM_REG(val & 0x0f); | ||
696 | } | ||
697 | return sprintf(buf, "%d\n", val); | ||
698 | } | ||
699 | |||
700 | static ssize_t | ||
701 | store_sf_ctrl(struct device *dev, struct device_attribute *attr, | ||
702 | const char *buf, size_t count) | ||
703 | { | ||
704 | struct sensor_device_attribute_2 *sensor_attr = | ||
705 | to_sensor_dev_attr_2(attr); | ||
706 | int nr = sensor_attr->nr; | ||
707 | int index = sensor_attr->index; | ||
708 | struct i2c_client *client = to_i2c_client(dev); | ||
709 | struct w83793_data *data = i2c_get_clientdata(client); | ||
710 | u32 val; | ||
711 | |||
712 | mutex_lock(&data->update_lock); | ||
713 | if (TEMP_FAN_MAP == nr) { | ||
714 | val = simple_strtoul(buf, NULL, 10) & 0xff; | ||
715 | w83793_write_value(client, W83793_REG_TEMP_FAN_MAP(index), val); | ||
716 | data->temp_fan_map[index] = val; | ||
717 | } else if (TEMP_PWM_ENABLE == nr) { | ||
718 | val = simple_strtoul(buf, NULL, 10); | ||
719 | if (2 == val || 3 == val) { | ||
720 | data->pwm_enable = | ||
721 | w83793_read_value(client, W83793_REG_PWM_ENABLE); | ||
722 | if (val - 2) | ||
723 | data->pwm_enable |= 1 << index; | ||
724 | else | ||
725 | data->pwm_enable &= ~(1 << index); | ||
726 | w83793_write_value(client, W83793_REG_PWM_ENABLE, | ||
727 | data->pwm_enable); | ||
728 | } else { | ||
729 | mutex_unlock(&data->update_lock); | ||
730 | return -EINVAL; | ||
731 | } | ||
732 | } else if (TEMP_CRUISE == nr) { | ||
733 | data->temp_cruise[index] = | ||
734 | w83793_read_value(client, W83793_REG_TEMP_CRUISE(index)); | ||
735 | val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f); | ||
736 | data->temp_cruise[index] &= 0x80; | ||
737 | data->temp_cruise[index] |= val; | ||
738 | |||
739 | w83793_write_value(client, W83793_REG_TEMP_CRUISE(index), | ||
740 | data->temp_cruise[index]); | ||
741 | } else { /* TEMP_TOLERANCE */ | ||
742 | int i = index >> 1; | ||
743 | u8 shift = (index & 0x01) ? 4 : 0; | ||
744 | data->tolerance[i] = | ||
745 | w83793_read_value(client, W83793_REG_TEMP_TOL(i)); | ||
746 | |||
747 | val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x0f); | ||
748 | data->tolerance[i] &= ~(0x0f << shift); | ||
749 | data->tolerance[i] |= val << shift; | ||
750 | w83793_write_value(client, W83793_REG_TEMP_TOL(i), | ||
751 | data->tolerance[i]); | ||
752 | } | ||
753 | |||
754 | mutex_unlock(&data->update_lock); | ||
755 | return count; | ||
756 | } | ||
757 | |||
758 | static ssize_t | ||
759 | show_sf2_pwm(struct device *dev, struct device_attribute *attr, char *buf) | ||
760 | { | ||
761 | struct sensor_device_attribute_2 *sensor_attr = | ||
762 | to_sensor_dev_attr_2(attr); | ||
763 | int nr = sensor_attr->nr; | ||
764 | int index = sensor_attr->index; | ||
765 | struct w83793_data *data = w83793_update_device(dev); | ||
766 | |||
767 | return sprintf(buf, "%d\n", (data->sf2_pwm[index][nr] & 0x3f) << 2); | ||
768 | } | ||
769 | |||
770 | static ssize_t | ||
771 | store_sf2_pwm(struct device *dev, struct device_attribute *attr, | ||
772 | const char *buf, size_t count) | ||
773 | { | ||
774 | struct i2c_client *client = to_i2c_client(dev); | ||
775 | struct w83793_data *data = i2c_get_clientdata(client); | ||
776 | struct sensor_device_attribute_2 *sensor_attr = | ||
777 | to_sensor_dev_attr_2(attr); | ||
778 | int nr = sensor_attr->nr; | ||
779 | int index = sensor_attr->index; | ||
780 | u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff) >> 2; | ||
781 | |||
782 | mutex_lock(&data->update_lock); | ||
783 | data->sf2_pwm[index][nr] = | ||
784 | w83793_read_value(client, W83793_REG_SF2_PWM(index, nr)) & 0xc0; | ||
785 | data->sf2_pwm[index][nr] |= val; | ||
786 | w83793_write_value(client, W83793_REG_SF2_PWM(index, nr), | ||
787 | data->sf2_pwm[index][nr]); | ||
788 | mutex_unlock(&data->update_lock); | ||
789 | return count; | ||
790 | } | ||
791 | |||
792 | static ssize_t | ||
793 | show_sf2_temp(struct device *dev, struct device_attribute *attr, char *buf) | ||
794 | { | ||
795 | struct sensor_device_attribute_2 *sensor_attr = | ||
796 | to_sensor_dev_attr_2(attr); | ||
797 | int nr = sensor_attr->nr; | ||
798 | int index = sensor_attr->index; | ||
799 | struct w83793_data *data = w83793_update_device(dev); | ||
800 | |||
801 | return sprintf(buf, "%ld\n", | ||
802 | TEMP_FROM_REG(data->sf2_temp[index][nr] & 0x7f)); | ||
803 | } | ||
804 | |||
805 | static ssize_t | ||
806 | store_sf2_temp(struct device *dev, struct device_attribute *attr, | ||
807 | const char *buf, size_t count) | ||
808 | { | ||
809 | struct i2c_client *client = to_i2c_client(dev); | ||
810 | struct w83793_data *data = i2c_get_clientdata(client); | ||
811 | struct sensor_device_attribute_2 *sensor_attr = | ||
812 | to_sensor_dev_attr_2(attr); | ||
813 | int nr = sensor_attr->nr; | ||
814 | int index = sensor_attr->index; | ||
815 | u8 val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f); | ||
816 | |||
817 | mutex_lock(&data->update_lock); | ||
818 | data->sf2_temp[index][nr] = | ||
819 | w83793_read_value(client, W83793_REG_SF2_TEMP(index, nr)) & 0x80; | ||
820 | data->sf2_temp[index][nr] |= val; | ||
821 | w83793_write_value(client, W83793_REG_SF2_TEMP(index, nr), | ||
822 | data->sf2_temp[index][nr]); | ||
823 | mutex_unlock(&data->update_lock); | ||
824 | return count; | ||
825 | } | ||
826 | |||
827 | /* only Vcore A/B and Vtt have additional 2 bits precision */ | ||
828 | static ssize_t | ||
829 | show_in(struct device *dev, struct device_attribute *attr, char *buf) | ||
830 | { | ||
831 | struct sensor_device_attribute_2 *sensor_attr = | ||
832 | to_sensor_dev_attr_2(attr); | ||
833 | int nr = sensor_attr->nr; | ||
834 | int index = sensor_attr->index; | ||
835 | struct w83793_data *data = w83793_update_device(dev); | ||
836 | u16 val = data->in[index][nr]; | ||
837 | |||
838 | if (index < 3) { | ||
839 | val <<= 2; | ||
840 | val += (data->in_low_bits[nr] >> (index * 2)) & 0x3; | ||
841 | } | ||
842 | return sprintf(buf, "%d\n", val * scale_in[index]); | ||
843 | } | ||
844 | |||
845 | static ssize_t | ||
846 | store_in(struct device *dev, struct device_attribute *attr, | ||
847 | const char *buf, size_t count) | ||
848 | { | ||
849 | struct sensor_device_attribute_2 *sensor_attr = | ||
850 | to_sensor_dev_attr_2(attr); | ||
851 | int nr = sensor_attr->nr; | ||
852 | int index = sensor_attr->index; | ||
853 | struct i2c_client *client = to_i2c_client(dev); | ||
854 | struct w83793_data *data = i2c_get_clientdata(client); | ||
855 | u32 val; | ||
856 | |||
857 | val = | ||
858 | (simple_strtoul(buf, NULL, 10) + | ||
859 | scale_in[index] / 2) / scale_in[index]; | ||
860 | mutex_lock(&data->update_lock); | ||
861 | if (index > 2) { | ||
862 | val = SENSORS_LIMIT(val, 0, 255); | ||
863 | } else { | ||
864 | val = SENSORS_LIMIT(val, 0, 0x3FF); | ||
865 | data->in_low_bits[nr] = | ||
866 | w83793_read_value(client, W83793_REG_IN_LOW_BITS[nr]); | ||
867 | data->in_low_bits[nr] &= ~(0x03 << (2 * index)); | ||
868 | data->in_low_bits[nr] |= (val & 0x03) << (2 * index); | ||
869 | w83793_write_value(client, W83793_REG_IN_LOW_BITS[nr], | ||
870 | data->in_low_bits[nr]); | ||
871 | val >>= 2; | ||
872 | } | ||
873 | data->in[index][nr] = val; | ||
874 | w83793_write_value(client, W83793_REG_IN[index][nr], | ||
875 | data->in[index][nr]); | ||
876 | mutex_unlock(&data->update_lock); | ||
877 | return count; | ||
878 | } | ||
879 | |||
880 | #define NOT_USED -1 | ||
881 | |||
882 | #define SENSOR_ATTR_IN(index) \ | ||
883 | SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL, \ | ||
884 | IN_READ, index), \ | ||
885 | SENSOR_ATTR_2(in##index##_max, S_IRUGO | S_IWUSR, show_in, \ | ||
886 | store_in, IN_MAX, index), \ | ||
887 | SENSOR_ATTR_2(in##index##_min, S_IRUGO | S_IWUSR, show_in, \ | ||
888 | store_in, IN_LOW, index), \ | ||
889 | SENSOR_ATTR_2(in##index##_alarm, S_IRUGO, show_alarm_beep, \ | ||
890 | NULL, ALARM_STATUS, index + ((index > 2) ? 1 : 0)), \ | ||
891 | SENSOR_ATTR_2(in##index##_beep, S_IWUSR | S_IRUGO, \ | ||
892 | show_alarm_beep, store_beep, BEEP_ENABLE, \ | ||
893 | index + ((index > 2) ? 1 : 0)) | ||
894 | |||
895 | #define SENSOR_ATTR_FAN(index) \ | ||
896 | SENSOR_ATTR_2(fan##index##_alarm, S_IRUGO, show_alarm_beep, \ | ||
897 | NULL, ALARM_STATUS, index + 17), \ | ||
898 | SENSOR_ATTR_2(fan##index##_beep, S_IWUSR | S_IRUGO, \ | ||
899 | show_alarm_beep, store_beep, BEEP_ENABLE, index + 17), \ | ||
900 | SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan, \ | ||
901 | NULL, FAN_INPUT, index - 1), \ | ||
902 | SENSOR_ATTR_2(fan##index##_min, S_IWUSR | S_IRUGO, \ | ||
903 | show_fan, store_fan_min, FAN_MIN, index - 1) | ||
904 | |||
905 | #define SENSOR_ATTR_PWM(index) \ | ||
906 | SENSOR_ATTR_2(pwm##index, S_IWUSR | S_IRUGO, show_pwm, \ | ||
907 | store_pwm, PWM_DUTY, index - 1), \ | ||
908 | SENSOR_ATTR_2(pwm##index##_nonstop, S_IWUSR | S_IRUGO, \ | ||
909 | show_pwm, store_pwm, PWM_NONSTOP, index - 1), \ | ||
910 | SENSOR_ATTR_2(pwm##index##_start, S_IWUSR | S_IRUGO, \ | ||
911 | show_pwm, store_pwm, PWM_START, index - 1), \ | ||
912 | SENSOR_ATTR_2(pwm##index##_stop_time, S_IWUSR | S_IRUGO, \ | ||
913 | show_pwm, store_pwm, PWM_STOP_TIME, index - 1) | ||
914 | |||
915 | #define SENSOR_ATTR_TEMP(index) \ | ||
916 | SENSOR_ATTR_2(temp##index##_type, S_IRUGO | S_IWUSR, \ | ||
917 | show_temp_mode, store_temp_mode, NOT_USED, index - 1), \ | ||
918 | SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_temp, \ | ||
919 | NULL, TEMP_READ, index - 1), \ | ||
920 | SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_temp, \ | ||
921 | store_temp, TEMP_CRIT, index - 1), \ | ||
922 | SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \ | ||
923 | show_temp, store_temp, TEMP_CRIT_HYST, index - 1), \ | ||
924 | SENSOR_ATTR_2(temp##index##_warn, S_IRUGO | S_IWUSR, show_temp, \ | ||
925 | store_temp, TEMP_WARN, index - 1), \ | ||
926 | SENSOR_ATTR_2(temp##index##_warn_hyst, S_IRUGO | S_IWUSR, \ | ||
927 | show_temp, store_temp, TEMP_WARN_HYST, index - 1), \ | ||
928 | SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \ | ||
929 | show_alarm_beep, NULL, ALARM_STATUS, index + 11), \ | ||
930 | SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \ | ||
931 | show_alarm_beep, store_beep, BEEP_ENABLE, index + 11), \ | ||
932 | SENSOR_ATTR_2(temp##index##_auto_channels_pwm, \ | ||
933 | S_IRUGO | S_IWUSR, show_sf_ctrl, store_sf_ctrl, \ | ||
934 | TEMP_FAN_MAP, index - 1), \ | ||
935 | SENSOR_ATTR_2(temp##index##_pwm_enable, S_IWUSR | S_IRUGO, \ | ||
936 | show_sf_ctrl, store_sf_ctrl, TEMP_PWM_ENABLE, \ | ||
937 | index - 1), \ | ||
938 | SENSOR_ATTR_2(thermal_cruise##index, S_IRUGO | S_IWUSR, \ | ||
939 | show_sf_ctrl, store_sf_ctrl, TEMP_CRUISE, index - 1), \ | ||
940 | SENSOR_ATTR_2(tolerance##index, S_IRUGO | S_IWUSR, show_sf_ctrl,\ | ||
941 | store_sf_ctrl, TEMP_TOLERANCE, index - 1), \ | ||
942 | SENSOR_ATTR_2(temp##index##_auto_point1_pwm, S_IRUGO | S_IWUSR, \ | ||
943 | show_sf2_pwm, store_sf2_pwm, 0, index - 1), \ | ||
944 | SENSOR_ATTR_2(temp##index##_auto_point2_pwm, S_IRUGO | S_IWUSR, \ | ||
945 | show_sf2_pwm, store_sf2_pwm, 1, index - 1), \ | ||
946 | SENSOR_ATTR_2(temp##index##_auto_point3_pwm, S_IRUGO | S_IWUSR, \ | ||
947 | show_sf2_pwm, store_sf2_pwm, 2, index - 1), \ | ||
948 | SENSOR_ATTR_2(temp##index##_auto_point4_pwm, S_IRUGO | S_IWUSR, \ | ||
949 | show_sf2_pwm, store_sf2_pwm, 3, index - 1), \ | ||
950 | SENSOR_ATTR_2(temp##index##_auto_point5_pwm, S_IRUGO | S_IWUSR, \ | ||
951 | show_sf2_pwm, store_sf2_pwm, 4, index - 1), \ | ||
952 | SENSOR_ATTR_2(temp##index##_auto_point6_pwm, S_IRUGO | S_IWUSR, \ | ||
953 | show_sf2_pwm, store_sf2_pwm, 5, index - 1), \ | ||
954 | SENSOR_ATTR_2(temp##index##_auto_point7_pwm, S_IRUGO | S_IWUSR, \ | ||
955 | show_sf2_pwm, store_sf2_pwm, 6, index - 1), \ | ||
956 | SENSOR_ATTR_2(temp##index##_auto_point1_temp, S_IRUGO | S_IWUSR,\ | ||
957 | show_sf2_temp, store_sf2_temp, 0, index - 1), \ | ||
958 | SENSOR_ATTR_2(temp##index##_auto_point2_temp, S_IRUGO | S_IWUSR,\ | ||
959 | show_sf2_temp, store_sf2_temp, 1, index - 1), \ | ||
960 | SENSOR_ATTR_2(temp##index##_auto_point3_temp, S_IRUGO | S_IWUSR,\ | ||
961 | show_sf2_temp, store_sf2_temp, 2, index - 1), \ | ||
962 | SENSOR_ATTR_2(temp##index##_auto_point4_temp, S_IRUGO | S_IWUSR,\ | ||
963 | show_sf2_temp, store_sf2_temp, 3, index - 1), \ | ||
964 | SENSOR_ATTR_2(temp##index##_auto_point5_temp, S_IRUGO | S_IWUSR,\ | ||
965 | show_sf2_temp, store_sf2_temp, 4, index - 1), \ | ||
966 | SENSOR_ATTR_2(temp##index##_auto_point6_temp, S_IRUGO | S_IWUSR,\ | ||
967 | show_sf2_temp, store_sf2_temp, 5, index - 1), \ | ||
968 | SENSOR_ATTR_2(temp##index##_auto_point7_temp, S_IRUGO | S_IWUSR,\ | ||
969 | show_sf2_temp, store_sf2_temp, 6, index - 1) | ||
970 | |||
971 | static struct sensor_device_attribute_2 w83793_sensor_attr_2[] = { | ||
972 | SENSOR_ATTR_IN(0), | ||
973 | SENSOR_ATTR_IN(1), | ||
974 | SENSOR_ATTR_IN(2), | ||
975 | SENSOR_ATTR_IN(3), | ||
976 | SENSOR_ATTR_IN(4), | ||
977 | SENSOR_ATTR_IN(5), | ||
978 | SENSOR_ATTR_IN(6), | ||
979 | SENSOR_ATTR_IN(7), | ||
980 | SENSOR_ATTR_IN(8), | ||
981 | SENSOR_ATTR_IN(9), | ||
982 | SENSOR_ATTR_TEMP(1), | ||
983 | SENSOR_ATTR_TEMP(2), | ||
984 | SENSOR_ATTR_TEMP(3), | ||
985 | SENSOR_ATTR_TEMP(4), | ||
986 | SENSOR_ATTR_TEMP(5), | ||
987 | SENSOR_ATTR_TEMP(6), | ||
988 | SENSOR_ATTR_FAN(1), | ||
989 | SENSOR_ATTR_FAN(2), | ||
990 | SENSOR_ATTR_FAN(3), | ||
991 | SENSOR_ATTR_FAN(4), | ||
992 | SENSOR_ATTR_FAN(5), | ||
993 | SENSOR_ATTR_PWM(1), | ||
994 | SENSOR_ATTR_PWM(2), | ||
995 | SENSOR_ATTR_PWM(3), | ||
996 | }; | ||
997 | |||
998 | /* Fan6-Fan12 */ | ||
999 | static struct sensor_device_attribute_2 w83793_left_fan[] = { | ||
1000 | SENSOR_ATTR_FAN(6), | ||
1001 | SENSOR_ATTR_FAN(7), | ||
1002 | SENSOR_ATTR_FAN(8), | ||
1003 | SENSOR_ATTR_FAN(9), | ||
1004 | SENSOR_ATTR_FAN(10), | ||
1005 | SENSOR_ATTR_FAN(11), | ||
1006 | SENSOR_ATTR_FAN(12), | ||
1007 | }; | ||
1008 | |||
1009 | /* Pwm4-Pwm8 */ | ||
1010 | static struct sensor_device_attribute_2 w83793_left_pwm[] = { | ||
1011 | SENSOR_ATTR_PWM(4), | ||
1012 | SENSOR_ATTR_PWM(5), | ||
1013 | SENSOR_ATTR_PWM(6), | ||
1014 | SENSOR_ATTR_PWM(7), | ||
1015 | SENSOR_ATTR_PWM(8), | ||
1016 | }; | ||
1017 | |||
1018 | static struct sensor_device_attribute_2 sda_single_files[] = { | ||
1019 | SENSOR_ATTR_2(cpu0_vid, S_IRUGO, show_vid, NULL, NOT_USED, 0), | ||
1020 | SENSOR_ATTR_2(cpu1_vid, S_IRUGO, show_vid, NULL, NOT_USED, 1), | ||
1021 | SENSOR_ATTR_2(vrm, S_IWUSR | S_IRUGO, show_vrm, store_vrm, | ||
1022 | NOT_USED, NOT_USED), | ||
1023 | SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep, | ||
1024 | store_chassis_clear, ALARM_STATUS, 30), | ||
1025 | SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_beep_enable, | ||
1026 | store_beep_enable, NOT_USED, NOT_USED), | ||
1027 | SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup, | ||
1028 | store_sf_setup, SETUP_PWM_DEFAULT, NOT_USED), | ||
1029 | SENSOR_ATTR_2(pwm_uptime, S_IWUSR | S_IRUGO, show_sf_setup, | ||
1030 | store_sf_setup, SETUP_PWM_UPTIME, NOT_USED), | ||
1031 | SENSOR_ATTR_2(pwm_downtime, S_IWUSR | S_IRUGO, show_sf_setup, | ||
1032 | store_sf_setup, SETUP_PWM_DOWNTIME, NOT_USED), | ||
1033 | SENSOR_ATTR_2(temp_critical, S_IWUSR | S_IRUGO, show_sf_setup, | ||
1034 | store_sf_setup, SETUP_TEMP_CRITICAL, NOT_USED), | ||
1035 | }; | ||
1036 | |||
1037 | static void w83793_init_client(struct i2c_client *client) | ||
1038 | { | ||
1039 | if (reset) { | ||
1040 | w83793_write_value(client, W83793_REG_CONFIG, 0x80); | ||
1041 | } | ||
1042 | |||
1043 | /* Start monitoring */ | ||
1044 | w83793_write_value(client, W83793_REG_CONFIG, | ||
1045 | w83793_read_value(client, W83793_REG_CONFIG) | 0x01); | ||
1046 | |||
1047 | } | ||
1048 | |||
1049 | static int w83793_attach_adapter(struct i2c_adapter *adapter) | ||
1050 | { | ||
1051 | if (!(adapter->class & I2C_CLASS_HWMON)) | ||
1052 | return 0; | ||
1053 | return i2c_probe(adapter, &addr_data, w83793_detect); | ||
1054 | } | ||
1055 | |||
1056 | static int w83793_detach_client(struct i2c_client *client) | ||
1057 | { | ||
1058 | struct w83793_data *data = i2c_get_clientdata(client); | ||
1059 | struct device *dev = &client->dev; | ||
1060 | int err, i; | ||
1061 | |||
1062 | /* main client */ | ||
1063 | if (data) { | ||
1064 | hwmon_device_unregister(data->class_dev); | ||
1065 | |||
1066 | for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) | ||
1067 | device_remove_file(dev, | ||
1068 | &w83793_sensor_attr_2[i].dev_attr); | ||
1069 | |||
1070 | for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) | ||
1071 | device_remove_file(dev, &sda_single_files[i].dev_attr); | ||
1072 | |||
1073 | for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++) | ||
1074 | device_remove_file(dev, &w83793_left_fan[i].dev_attr); | ||
1075 | |||
1076 | for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++) | ||
1077 | device_remove_file(dev, &w83793_left_pwm[i].dev_attr); | ||
1078 | } | ||
1079 | |||
1080 | if ((err = i2c_detach_client(client))) | ||
1081 | return err; | ||
1082 | |||
1083 | /* main client */ | ||
1084 | if (data) | ||
1085 | kfree(data); | ||
1086 | /* subclient */ | ||
1087 | else | ||
1088 | kfree(client); | ||
1089 | |||
1090 | return 0; | ||
1091 | } | ||
1092 | |||
1093 | static int | ||
1094 | w83793_create_subclient(struct i2c_adapter *adapter, | ||
1095 | struct i2c_client *client, int addr, | ||
1096 | struct i2c_client **sub_cli) | ||
1097 | { | ||
1098 | int err = 0; | ||
1099 | struct i2c_client *sub_client; | ||
1100 | |||
1101 | (*sub_cli) = sub_client = | ||
1102 | kzalloc(sizeof(struct i2c_client), GFP_KERNEL); | ||
1103 | if (!(sub_client)) { | ||
1104 | return -ENOMEM; | ||
1105 | } | ||
1106 | sub_client->addr = 0x48 + addr; | ||
1107 | i2c_set_clientdata(sub_client, NULL); | ||
1108 | sub_client->adapter = adapter; | ||
1109 | sub_client->driver = &w83793_driver; | ||
1110 | strlcpy(sub_client->name, "w83793 subclient", I2C_NAME_SIZE); | ||
1111 | if ((err = i2c_attach_client(sub_client))) { | ||
1112 | dev_err(&client->dev, "subclient registration " | ||
1113 | "at address 0x%x failed\n", sub_client->addr); | ||
1114 | kfree(sub_client); | ||
1115 | } | ||
1116 | return err; | ||
1117 | } | ||
1118 | |||
1119 | static int | ||
1120 | w83793_detect_subclients(struct i2c_adapter *adapter, int address, | ||
1121 | int kind, struct i2c_client *client) | ||
1122 | { | ||
1123 | int i, id, err; | ||
1124 | u8 tmp; | ||
1125 | struct w83793_data *data = i2c_get_clientdata(client); | ||
1126 | |||
1127 | id = i2c_adapter_id(adapter); | ||
1128 | if (force_subclients[0] == id && force_subclients[1] == address) { | ||
1129 | for (i = 2; i <= 3; i++) { | ||
1130 | if (force_subclients[i] < 0x48 | ||
1131 | || force_subclients[i] > 0x4f) { | ||
1132 | dev_err(&client->dev, | ||
1133 | "invalid subclient " | ||
1134 | "address %d; must be 0x48-0x4f\n", | ||
1135 | force_subclients[i]); | ||
1136 | err = -EINVAL; | ||
1137 | goto ERROR_SC_0; | ||
1138 | } | ||
1139 | } | ||
1140 | w83793_write_value(client, W83793_REG_I2C_SUBADDR, | ||
1141 | (force_subclients[2] & 0x07) | | ||
1142 | ((force_subclients[3] & 0x07) << 4)); | ||
1143 | } | ||
1144 | |||
1145 | tmp = w83793_read_value(client, W83793_REG_I2C_SUBADDR); | ||
1146 | if (!(tmp & 0x08)) { | ||
1147 | err = | ||
1148 | w83793_create_subclient(adapter, client, tmp & 0x7, | ||
1149 | &data->lm75[0]); | ||
1150 | if (err < 0) | ||
1151 | goto ERROR_SC_0; | ||
1152 | } | ||
1153 | if (!(tmp & 0x80)) { | ||
1154 | if ((data->lm75[0] != NULL) | ||
1155 | && ((tmp & 0x7) == ((tmp >> 4) & 0x7))) { | ||
1156 | dev_err(&client->dev, | ||
1157 | "duplicate addresses 0x%x, " | ||
1158 | "use force_subclients\n", data->lm75[0]->addr); | ||
1159 | err = -ENODEV; | ||
1160 | goto ERROR_SC_1; | ||
1161 | } | ||
1162 | err = w83793_create_subclient(adapter, client, | ||
1163 | (tmp >> 4) & 0x7, &data->lm75[1]); | ||
1164 | if (err < 0) | ||
1165 | goto ERROR_SC_1; | ||
1166 | } | ||
1167 | |||
1168 | return 0; | ||
1169 | |||
1170 | /* Undo inits in case of errors */ | ||
1171 | |||
1172 | ERROR_SC_1: | ||
1173 | if (data->lm75[0] != NULL) { | ||
1174 | i2c_detach_client(data->lm75[0]); | ||
1175 | kfree(data->lm75[0]); | ||
1176 | } | ||
1177 | ERROR_SC_0: | ||
1178 | return err; | ||
1179 | } | ||
1180 | |||
1181 | static int w83793_detect(struct i2c_adapter *adapter, int address, int kind) | ||
1182 | { | ||
1183 | int i; | ||
1184 | u8 tmp, val; | ||
1185 | struct i2c_client *client; | ||
1186 | struct device *dev; | ||
1187 | struct w83793_data *data; | ||
1188 | int files_fan = ARRAY_SIZE(w83793_left_fan) / 7; | ||
1189 | int files_pwm = ARRAY_SIZE(w83793_left_pwm) / 5; | ||
1190 | int err = 0; | ||
1191 | |||
1192 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | ||
1193 | goto exit; | ||
1194 | } | ||
1195 | |||
1196 | /* OK. For now, we presume we have a valid client. We now create the | ||
1197 | client structure, even though we cannot fill it completely yet. | ||
1198 | But it allows us to access w83793_{read,write}_value. */ | ||
1199 | |||
1200 | if (!(data = kzalloc(sizeof(struct w83793_data), GFP_KERNEL))) { | ||
1201 | err = -ENOMEM; | ||
1202 | goto exit; | ||
1203 | } | ||
1204 | |||
1205 | client = &data->client; | ||
1206 | dev = &client->dev; | ||
1207 | i2c_set_clientdata(client, data); | ||
1208 | client->addr = address; | ||
1209 | client->adapter = adapter; | ||
1210 | client->driver = &w83793_driver; | ||
1211 | |||
1212 | data->bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL); | ||
1213 | |||
1214 | /* Now, we do the remaining detection. */ | ||
1215 | if (kind < 0) { | ||
1216 | tmp = data->bank & 0x80 ? 0x5c : 0xa3; | ||
1217 | /* Check Winbond vendor ID */ | ||
1218 | if (tmp != i2c_smbus_read_byte_data(client, | ||
1219 | W83793_REG_VENDORID)) { | ||
1220 | pr_debug("w83793: Detection failed at check " | ||
1221 | "vendor id\n"); | ||
1222 | err = -ENODEV; | ||
1223 | goto free_mem; | ||
1224 | } | ||
1225 | |||
1226 | /* If Winbond chip, address of chip and W83793_REG_I2C_ADDR | ||
1227 | should match */ | ||
1228 | if ((data->bank & 0x07) == 0 | ||
1229 | && i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) != | ||
1230 | (address << 1)) { | ||
1231 | pr_debug("w83793: Detection failed at check " | ||
1232 | "i2c addr\n"); | ||
1233 | err = -ENODEV; | ||
1234 | goto free_mem; | ||
1235 | } | ||
1236 | |||
1237 | } | ||
1238 | |||
1239 | /* We have either had a force parameter, or we have already detected the | ||
1240 | Winbond. Determine the chip type now */ | ||
1241 | |||
1242 | if (kind <= 0) { | ||
1243 | if (0x7b == w83793_read_value(client, W83793_REG_CHIPID)) { | ||
1244 | kind = w83793; | ||
1245 | } else { | ||
1246 | if (kind == 0) | ||
1247 | dev_warn(&adapter->dev, "w83793: Ignoring " | ||
1248 | "'force' parameter for unknown chip " | ||
1249 | "at address 0x%02x\n", address); | ||
1250 | err = -ENODEV; | ||
1251 | goto free_mem; | ||
1252 | } | ||
1253 | } | ||
1254 | |||
1255 | /* Fill in the remaining client fields and put into the global list */ | ||
1256 | strlcpy(client->name, "w83793", I2C_NAME_SIZE); | ||
1257 | |||
1258 | mutex_init(&data->update_lock); | ||
1259 | |||
1260 | /* Tell the I2C layer a new client has arrived */ | ||
1261 | if ((err = i2c_attach_client(client))) | ||
1262 | goto free_mem; | ||
1263 | |||
1264 | if ((err = w83793_detect_subclients(adapter, address, kind, client))) | ||
1265 | goto detach_client; | ||
1266 | |||
1267 | /* Initialize the chip */ | ||
1268 | w83793_init_client(client); | ||
1269 | |||
1270 | data->vrm = vid_which_vrm(); | ||
1271 | /* | ||
1272 | Only fan 1-5 has their own input pins, | ||
1273 | Pwm 1-3 has their own pins | ||
1274 | */ | ||
1275 | data->has_fan = 0x1f; | ||
1276 | data->has_pwm = 0x07; | ||
1277 | tmp = w83793_read_value(client, W83793_REG_MFC); | ||
1278 | val = w83793_read_value(client, W83793_REG_FANIN_CTRL); | ||
1279 | |||
1280 | /* check the function of pins 49-56 */ | ||
1281 | if (!(tmp & 0x80)) { | ||
1282 | data->has_pwm |= 0x18; /* pwm 4,5 */ | ||
1283 | if (val & 0x01) { /* fan 6 */ | ||
1284 | data->has_fan |= 0x20; | ||
1285 | data->has_pwm |= 0x20; | ||
1286 | } | ||
1287 | if (val & 0x02) { /* fan 7 */ | ||
1288 | data->has_fan |= 0x40; | ||
1289 | data->has_pwm |= 0x40; | ||
1290 | } | ||
1291 | if (!(tmp & 0x40) && (val & 0x04)) { /* fan 8 */ | ||
1292 | data->has_fan |= 0x80; | ||
1293 | data->has_pwm |= 0x80; | ||
1294 | } | ||
1295 | } | ||
1296 | |||
1297 | if (0x08 == (tmp & 0x0c)) { | ||
1298 | if (val & 0x08) /* fan 9 */ | ||
1299 | data->has_fan |= 0x100; | ||
1300 | if (val & 0x10) /* fan 10 */ | ||
1301 | data->has_fan |= 0x200; | ||
1302 | } | ||
1303 | |||
1304 | if (0x20 == (tmp & 0x30)) { | ||
1305 | if (val & 0x20) /* fan 11 */ | ||
1306 | data->has_fan |= 0x400; | ||
1307 | if (val & 0x40) /* fan 12 */ | ||
1308 | data->has_fan |= 0x800; | ||
1309 | } | ||
1310 | |||
1311 | if ((tmp & 0x01) && (val & 0x04)) { /* fan 8, second location */ | ||
1312 | data->has_fan |= 0x80; | ||
1313 | data->has_pwm |= 0x80; | ||
1314 | } | ||
1315 | |||
1316 | /* Register sysfs hooks */ | ||
1317 | for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) { | ||
1318 | err = device_create_file(dev, | ||
1319 | &w83793_sensor_attr_2[i].dev_attr); | ||
1320 | if (err) | ||
1321 | goto exit_remove; | ||
1322 | } | ||
1323 | |||
1324 | for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) { | ||
1325 | err = device_create_file(dev, &sda_single_files[i].dev_attr); | ||
1326 | if (err) | ||
1327 | goto exit_remove; | ||
1328 | |||
1329 | } | ||
1330 | |||
1331 | for (i = 5; i < 12; i++) { | ||
1332 | int j; | ||
1333 | if (!(data->has_fan & (1 << i))) | ||
1334 | continue; | ||
1335 | for (j = 0; j < files_fan; j++) { | ||
1336 | err = device_create_file(dev, | ||
1337 | &w83793_left_fan[(i - 5) * files_fan | ||
1338 | + j].dev_attr); | ||
1339 | if (err) | ||
1340 | goto exit_remove; | ||
1341 | } | ||
1342 | } | ||
1343 | |||
1344 | for (i = 3; i < 8; i++) { | ||
1345 | int j; | ||
1346 | if (!(data->has_pwm & (1 << i))) | ||
1347 | continue; | ||
1348 | for (j = 0; j < files_pwm; j++) { | ||
1349 | err = device_create_file(dev, | ||
1350 | &w83793_left_pwm[(i - 3) * files_pwm | ||
1351 | + j].dev_attr); | ||
1352 | if (err) | ||
1353 | goto exit_remove; | ||
1354 | } | ||
1355 | } | ||
1356 | |||
1357 | data->class_dev = hwmon_device_register(dev); | ||
1358 | if (IS_ERR(data->class_dev)) { | ||
1359 | err = PTR_ERR(data->class_dev); | ||
1360 | goto exit_remove; | ||
1361 | } | ||
1362 | |||
1363 | return 0; | ||
1364 | |||
1365 | /* Unregister sysfs hooks */ | ||
1366 | |||
1367 | exit_remove: | ||
1368 | for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) | ||
1369 | device_remove_file(dev, &w83793_sensor_attr_2[i].dev_attr); | ||
1370 | |||
1371 | for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) | ||
1372 | device_remove_file(dev, &sda_single_files[i].dev_attr); | ||
1373 | |||
1374 | for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++) | ||
1375 | device_remove_file(dev, &w83793_left_fan[i].dev_attr); | ||
1376 | |||
1377 | for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++) | ||
1378 | device_remove_file(dev, &w83793_left_pwm[i].dev_attr); | ||
1379 | |||
1380 | if (data->lm75[0] != NULL) { | ||
1381 | i2c_detach_client(data->lm75[0]); | ||
1382 | kfree(data->lm75[0]); | ||
1383 | } | ||
1384 | if (data->lm75[1] != NULL) { | ||
1385 | i2c_detach_client(data->lm75[1]); | ||
1386 | kfree(data->lm75[1]); | ||
1387 | } | ||
1388 | detach_client: | ||
1389 | i2c_detach_client(client); | ||
1390 | free_mem: | ||
1391 | kfree(data); | ||
1392 | exit: | ||
1393 | return err; | ||
1394 | } | ||
1395 | |||
1396 | static void w83793_update_nonvolatile(struct device *dev) | ||
1397 | { | ||
1398 | struct i2c_client *client = to_i2c_client(dev); | ||
1399 | struct w83793_data *data = i2c_get_clientdata(client); | ||
1400 | int i, j; | ||
1401 | /* | ||
1402 | They are somewhat "stable" registers, and to update them everytime | ||
1403 | takes so much time, it's just not worthy. Update them in a long | ||
1404 | interval to avoid exception. | ||
1405 | */ | ||
1406 | if (!(time_after(jiffies, data->last_nonvolatile + HZ * 300) | ||
1407 | || !data->valid)) | ||
1408 | return; | ||
1409 | /* update voltage limits */ | ||
1410 | for (i = 1; i < 3; i++) { | ||
1411 | for (j = 0; j < ARRAY_SIZE(data->in); j++) { | ||
1412 | data->in[j][i] = | ||
1413 | w83793_read_value(client, W83793_REG_IN[j][i]); | ||
1414 | } | ||
1415 | data->in_low_bits[i] = | ||
1416 | w83793_read_value(client, W83793_REG_IN_LOW_BITS[i]); | ||
1417 | } | ||
1418 | |||
1419 | for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { | ||
1420 | /* Update the Fan measured value and limits */ | ||
1421 | if (!(data->has_fan & (1 << i))) { | ||
1422 | continue; | ||
1423 | } | ||
1424 | data->fan_min[i] = | ||
1425 | w83793_read_value(client, W83793_REG_FAN_MIN(i)) << 8; | ||
1426 | data->fan_min[i] |= | ||
1427 | w83793_read_value(client, W83793_REG_FAN_MIN(i) + 1); | ||
1428 | } | ||
1429 | |||
1430 | for (i = 0; i < ARRAY_SIZE(data->temp_fan_map); i++) { | ||
1431 | data->temp_fan_map[i] = | ||
1432 | w83793_read_value(client, W83793_REG_TEMP_FAN_MAP(i)); | ||
1433 | for (j = 1; j < 5; j++) { | ||
1434 | data->temp[i][j] = | ||
1435 | w83793_read_value(client, W83793_REG_TEMP[i][j]); | ||
1436 | } | ||
1437 | data->temp_cruise[i] = | ||
1438 | w83793_read_value(client, W83793_REG_TEMP_CRUISE(i)); | ||
1439 | for (j = 0; j < 7; j++) { | ||
1440 | data->sf2_pwm[i][j] = | ||
1441 | w83793_read_value(client, W83793_REG_SF2_PWM(i, j)); | ||
1442 | data->sf2_temp[i][j] = | ||
1443 | w83793_read_value(client, | ||
1444 | W83793_REG_SF2_TEMP(i, j)); | ||
1445 | } | ||
1446 | } | ||
1447 | |||
1448 | for (i = 0; i < ARRAY_SIZE(data->temp_mode); i++) | ||
1449 | data->temp_mode[i] = | ||
1450 | w83793_read_value(client, W83793_REG_TEMP_MODE[i]); | ||
1451 | |||
1452 | for (i = 0; i < ARRAY_SIZE(data->tolerance); i++) { | ||
1453 | data->tolerance[i] = | ||
1454 | w83793_read_value(client, W83793_REG_TEMP_TOL(i)); | ||
1455 | } | ||
1456 | |||
1457 | for (i = 0; i < ARRAY_SIZE(data->pwm); i++) { | ||
1458 | if (!(data->has_pwm & (1 << i))) | ||
1459 | continue; | ||
1460 | data->pwm[i][PWM_NONSTOP] = | ||
1461 | w83793_read_value(client, W83793_REG_PWM(i, PWM_NONSTOP)); | ||
1462 | data->pwm[i][PWM_START] = | ||
1463 | w83793_read_value(client, W83793_REG_PWM(i, PWM_START)); | ||
1464 | data->pwm_stop_time[i] = | ||
1465 | w83793_read_value(client, W83793_REG_PWM_STOP_TIME(i)); | ||
1466 | } | ||
1467 | |||
1468 | data->pwm_default = w83793_read_value(client, W83793_REG_PWM_DEFAULT); | ||
1469 | data->pwm_enable = w83793_read_value(client, W83793_REG_PWM_ENABLE); | ||
1470 | data->pwm_uptime = w83793_read_value(client, W83793_REG_PWM_UPTIME); | ||
1471 | data->pwm_downtime = w83793_read_value(client, W83793_REG_PWM_DOWNTIME); | ||
1472 | data->temp_critical = | ||
1473 | w83793_read_value(client, W83793_REG_TEMP_CRITICAL); | ||
1474 | data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP); | ||
1475 | |||
1476 | for (i = 0; i < ARRAY_SIZE(data->beeps); i++) { | ||
1477 | data->beeps[i] = w83793_read_value(client, W83793_REG_BEEP(i)); | ||
1478 | } | ||
1479 | |||
1480 | data->last_nonvolatile = jiffies; | ||
1481 | } | ||
1482 | |||
1483 | static struct w83793_data *w83793_update_device(struct device *dev) | ||
1484 | { | ||
1485 | struct i2c_client *client = to_i2c_client(dev); | ||
1486 | struct w83793_data *data = i2c_get_clientdata(client); | ||
1487 | int i; | ||
1488 | |||
1489 | mutex_lock(&data->update_lock); | ||
1490 | |||
1491 | if (!(time_after(jiffies, data->last_updated + HZ * 2) | ||
1492 | || !data->valid)) | ||
1493 | goto END; | ||
1494 | |||
1495 | /* Update the voltages measured value and limits */ | ||
1496 | for (i = 0; i < ARRAY_SIZE(data->in); i++) | ||
1497 | data->in[i][IN_READ] = | ||
1498 | w83793_read_value(client, W83793_REG_IN[i][IN_READ]); | ||
1499 | |||
1500 | data->in_low_bits[IN_READ] = | ||
1501 | w83793_read_value(client, W83793_REG_IN_LOW_BITS[IN_READ]); | ||
1502 | |||
1503 | for (i = 0; i < ARRAY_SIZE(data->fan); i++) { | ||
1504 | if (!(data->has_fan & (1 << i))) { | ||
1505 | continue; | ||
1506 | } | ||
1507 | data->fan[i] = | ||
1508 | w83793_read_value(client, W83793_REG_FAN(i)) << 8; | ||
1509 | data->fan[i] |= | ||
1510 | w83793_read_value(client, W83793_REG_FAN(i) + 1); | ||
1511 | } | ||
1512 | |||
1513 | for (i = 0; i < ARRAY_SIZE(data->temp); i++) | ||
1514 | data->temp[i][TEMP_READ] = | ||
1515 | w83793_read_value(client, W83793_REG_TEMP[i][TEMP_READ]); | ||
1516 | |||
1517 | data->temp_low_bits = | ||
1518 | w83793_read_value(client, W83793_REG_TEMP_LOW_BITS); | ||
1519 | |||
1520 | for (i = 0; i < ARRAY_SIZE(data->pwm); i++) { | ||
1521 | if (data->has_pwm & (1 << i)) | ||
1522 | data->pwm[i][PWM_DUTY] = | ||
1523 | w83793_read_value(client, | ||
1524 | W83793_REG_PWM(i, PWM_DUTY)); | ||
1525 | } | ||
1526 | |||
1527 | for (i = 0; i < ARRAY_SIZE(data->alarms); i++) | ||
1528 | data->alarms[i] = | ||
1529 | w83793_read_value(client, W83793_REG_ALARM(i)); | ||
1530 | data->vid[0] = w83793_read_value(client, W83793_REG_VID_INA); | ||
1531 | data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB); | ||
1532 | w83793_update_nonvolatile(dev); | ||
1533 | data->last_updated = jiffies; | ||
1534 | data->valid = 1; | ||
1535 | |||
1536 | END: | ||
1537 | mutex_unlock(&data->update_lock); | ||
1538 | return data; | ||
1539 | } | ||
1540 | |||
1541 | /* Ignore the possibility that somebody change bank outside the driver | ||
1542 | Must be called with data->update_lock held, except during initialization */ | ||
1543 | static u8 w83793_read_value(struct i2c_client *client, u16 reg) | ||
1544 | { | ||
1545 | struct w83793_data *data = i2c_get_clientdata(client); | ||
1546 | u8 res = 0xff; | ||
1547 | u8 new_bank = reg >> 8; | ||
1548 | |||
1549 | new_bank |= data->bank & 0xfc; | ||
1550 | if (data->bank != new_bank) { | ||
1551 | if (i2c_smbus_write_byte_data | ||
1552 | (client, W83793_REG_BANKSEL, new_bank) >= 0) | ||
1553 | data->bank = new_bank; | ||
1554 | else { | ||
1555 | dev_err(&client->dev, | ||
1556 | "set bank to %d failed, fall back " | ||
1557 | "to bank %d, read reg 0x%x error\n", | ||
1558 | new_bank, data->bank, reg); | ||
1559 | res = 0x0; /* read 0x0 from the chip */ | ||
1560 | goto END; | ||
1561 | } | ||
1562 | } | ||
1563 | res = i2c_smbus_read_byte_data(client, reg & 0xff); | ||
1564 | END: | ||
1565 | return res; | ||
1566 | } | ||
1567 | |||
1568 | /* Must be called with data->update_lock held, except during initialization */ | ||
1569 | static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value) | ||
1570 | { | ||
1571 | struct w83793_data *data = i2c_get_clientdata(client); | ||
1572 | int res; | ||
1573 | u8 new_bank = reg >> 8; | ||
1574 | |||
1575 | new_bank |= data->bank & 0xfc; | ||
1576 | if (data->bank != new_bank) { | ||
1577 | if ((res = i2c_smbus_write_byte_data | ||
1578 | (client, W83793_REG_BANKSEL, new_bank)) >= 0) | ||
1579 | data->bank = new_bank; | ||
1580 | else { | ||
1581 | dev_err(&client->dev, | ||
1582 | "set bank to %d failed, fall back " | ||
1583 | "to bank %d, write reg 0x%x error\n", | ||
1584 | new_bank, data->bank, reg); | ||
1585 | goto END; | ||
1586 | } | ||
1587 | } | ||
1588 | |||
1589 | res = i2c_smbus_write_byte_data(client, reg & 0xff, value); | ||
1590 | END: | ||
1591 | return res; | ||
1592 | } | ||
1593 | |||
1594 | static int __init sensors_w83793_init(void) | ||
1595 | { | ||
1596 | return i2c_add_driver(&w83793_driver); | ||
1597 | } | ||
1598 | |||
1599 | static void __exit sensors_w83793_exit(void) | ||
1600 | { | ||
1601 | i2c_del_driver(&w83793_driver); | ||
1602 | } | ||
1603 | |||
1604 | MODULE_AUTHOR("Yuan Mu"); | ||
1605 | MODULE_DESCRIPTION("w83793 driver"); | ||
1606 | MODULE_LICENSE("GPL"); | ||
1607 | |||
1608 | module_init(sensors_w83793_init); | ||
1609 | module_exit(sensors_w83793_exit); | ||