Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | w83781d.c - Part of lm_sensors, Linux kernel modules for hardware | |
3 | monitoring | |
4 | Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>, | |
7666c13c JD |
5 | Philip Edelbrock <phil@netroedge.com>, |
6 | and Mark Studebaker <mdsxyz123@yahoo.com> | |
7 | Copyright (c) 2007 Jean Delvare <khali@linux-fr.org> | |
1da177e4 LT |
8 | |
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | /* | |
25 | Supports following chips: | |
26 | ||
27 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA | |
28 | as99127f 7 3 0 3 0x31 0x12c3 yes no | |
29 | as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no | |
30 | w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes | |
31 | w83627hf 9 3 2 3 0x21 0x5ca3 yes yes(LPC) | |
1da177e4 LT |
32 | w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes |
33 | w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no | |
1da177e4 LT |
34 | |
35 | */ | |
36 | ||
1da177e4 LT |
37 | #include <linux/module.h> |
38 | #include <linux/init.h> | |
39 | #include <linux/slab.h> | |
40 | #include <linux/jiffies.h> | |
41 | #include <linux/i2c.h> | |
7666c13c JD |
42 | #include <linux/platform_device.h> |
43 | #include <linux/ioport.h> | |
943b0830 | 44 | #include <linux/hwmon.h> |
303760b4 | 45 | #include <linux/hwmon-vid.h> |
34875337 | 46 | #include <linux/hwmon-sysfs.h> |
311ce2ef | 47 | #include <linux/sysfs.h> |
943b0830 | 48 | #include <linux/err.h> |
9a61bf63 | 49 | #include <linux/mutex.h> |
1da177e4 LT |
50 | #include <asm/io.h> |
51 | #include "lm75.h" | |
52 | ||
7666c13c JD |
53 | /* ISA device, if found */ |
54 | static struct platform_device *pdev; | |
55 | ||
1da177e4 LT |
56 | /* Addresses to scan */ |
57 | static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, | |
58 | 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, | |
59 | 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; | |
2d8672c5 | 60 | static unsigned short isa_address = 0x290; |
1da177e4 LT |
61 | |
62 | /* Insmod parameters */ | |
f4b50261 | 63 | I2C_CLIENT_INSMOD_5(w83781d, w83782d, w83783s, w83627hf, as99127f); |
1da177e4 LT |
64 | I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " |
65 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); | |
66 | ||
fabddcd4 JD |
67 | static int reset; |
68 | module_param(reset, bool, 0); | |
69 | MODULE_PARM_DESC(reset, "Set to one to reset chip on load"); | |
70 | ||
1da177e4 LT |
71 | static int init = 1; |
72 | module_param(init, bool, 0); | |
73 | MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); | |
74 | ||
75 | /* Constants specified below */ | |
76 | ||
77 | /* Length of ISA address segment */ | |
78 | #define W83781D_EXTENT 8 | |
79 | ||
80 | /* Where are the ISA address/data registers relative to the base address */ | |
81 | #define W83781D_ADDR_REG_OFFSET 5 | |
82 | #define W83781D_DATA_REG_OFFSET 6 | |
83 | ||
34875337 JD |
84 | /* The device registers */ |
85 | /* in nr from 0 to 8 */ | |
1da177e4 LT |
86 | #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ |
87 | (0x554 + (((nr) - 7) * 2))) | |
88 | #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ | |
89 | (0x555 + (((nr) - 7) * 2))) | |
90 | #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ | |
91 | (0x550 + (nr) - 7)) | |
92 | ||
34875337 JD |
93 | /* fan nr from 0 to 2 */ |
94 | #define W83781D_REG_FAN_MIN(nr) (0x3b + (nr)) | |
95 | #define W83781D_REG_FAN(nr) (0x28 + (nr)) | |
1da177e4 LT |
96 | |
97 | #define W83781D_REG_BANK 0x4E | |
98 | #define W83781D_REG_TEMP2_CONFIG 0x152 | |
99 | #define W83781D_REG_TEMP3_CONFIG 0x252 | |
34875337 | 100 | /* temp nr from 1 to 3 */ |
1da177e4 LT |
101 | #define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \ |
102 | ((nr == 2) ? (0x0150) : \ | |
103 | (0x27))) | |
104 | #define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \ | |
105 | ((nr == 2) ? (0x153) : \ | |
106 | (0x3A))) | |
107 | #define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \ | |
108 | ((nr == 2) ? (0x155) : \ | |
109 | (0x39))) | |
110 | ||
111 | #define W83781D_REG_CONFIG 0x40 | |
c7f5d7ed JD |
112 | |
113 | /* Interrupt status (W83781D, AS99127F) */ | |
1da177e4 LT |
114 | #define W83781D_REG_ALARM1 0x41 |
115 | #define W83781D_REG_ALARM2 0x42 | |
1da177e4 | 116 | |
c7f5d7ed JD |
117 | /* Real-time status (W83782D, W83783S, W83627HF) */ |
118 | #define W83782D_REG_ALARM1 0x459 | |
119 | #define W83782D_REG_ALARM2 0x45A | |
120 | #define W83782D_REG_ALARM3 0x45B | |
121 | ||
1da177e4 LT |
122 | #define W83781D_REG_BEEP_CONFIG 0x4D |
123 | #define W83781D_REG_BEEP_INTS1 0x56 | |
124 | #define W83781D_REG_BEEP_INTS2 0x57 | |
125 | #define W83781D_REG_BEEP_INTS3 0x453 /* not on W83781D */ | |
126 | ||
127 | #define W83781D_REG_VID_FANDIV 0x47 | |
128 | ||
129 | #define W83781D_REG_CHIPID 0x49 | |
130 | #define W83781D_REG_WCHIPID 0x58 | |
131 | #define W83781D_REG_CHIPMAN 0x4F | |
132 | #define W83781D_REG_PIN 0x4B | |
133 | ||
134 | /* 782D/783S only */ | |
135 | #define W83781D_REG_VBAT 0x5D | |
136 | ||
137 | /* PWM 782D (1-4) and 783S (1-2) only */ | |
34875337 | 138 | static const u8 W83781D_REG_PWM[] = { 0x5B, 0x5A, 0x5E, 0x5F }; |
1da177e4 LT |
139 | #define W83781D_REG_PWMCLK12 0x5C |
140 | #define W83781D_REG_PWMCLK34 0x45C | |
1da177e4 LT |
141 | |
142 | #define W83781D_REG_I2C_ADDR 0x48 | |
143 | #define W83781D_REG_I2C_SUBADDR 0x4A | |
144 | ||
145 | /* The following are undocumented in the data sheets however we | |
146 | received the information in an email from Winbond tech support */ | |
147 | /* Sensor selection - not on 781d */ | |
148 | #define W83781D_REG_SCFG1 0x5D | |
149 | static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; | |
150 | ||
151 | #define W83781D_REG_SCFG2 0x59 | |
152 | static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; | |
153 | ||
154 | #define W83781D_DEFAULT_BETA 3435 | |
155 | ||
156 | /* RT Table registers */ | |
157 | #define W83781D_REG_RT_IDX 0x50 | |
158 | #define W83781D_REG_RT_VAL 0x51 | |
159 | ||
474d00a8 JD |
160 | /* Conversions */ |
161 | #define IN_TO_REG(val) SENSORS_LIMIT(((val) + 8) / 16, 0, 255) | |
162 | #define IN_FROM_REG(val) ((val) * 16) | |
1da177e4 LT |
163 | |
164 | static inline u8 | |
165 | FAN_TO_REG(long rpm, int div) | |
166 | { | |
167 | if (rpm == 0) | |
168 | return 255; | |
169 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); | |
170 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); | |
171 | } | |
172 | ||
474d00a8 JD |
173 | static inline long |
174 | FAN_FROM_REG(u8 val, int div) | |
175 | { | |
176 | if (val == 0) | |
177 | return -1; | |
178 | if (val == 255) | |
179 | return 0; | |
180 | return 1350000 / (val * div); | |
181 | } | |
1da177e4 | 182 | |
474d00a8 JD |
183 | #define TEMP_TO_REG(val) SENSORS_LIMIT((val) / 1000, -127, 128) |
184 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
1da177e4 | 185 | |
1da177e4 LT |
186 | #define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \ |
187 | (val) ^ 0x7fff : (val)) | |
188 | #define BEEP_MASK_TO_REG(val,type) ((type) == as99127f ? \ | |
189 | (~(val)) & 0x7fff : (val) & 0xffffff) | |
190 | ||
1da177e4 LT |
191 | #define DIV_FROM_REG(val) (1 << (val)) |
192 | ||
193 | static inline u8 | |
194 | DIV_TO_REG(long val, enum chips type) | |
195 | { | |
196 | int i; | |
197 | val = SENSORS_LIMIT(val, 1, | |
198 | ((type == w83781d | |
199 | || type == as99127f) ? 8 : 128)) >> 1; | |
abc01922 | 200 | for (i = 0; i < 7; i++) { |
1da177e4 LT |
201 | if (val == 0) |
202 | break; | |
203 | val >>= 1; | |
204 | } | |
474d00a8 | 205 | return i; |
1da177e4 LT |
206 | } |
207 | ||
208 | /* There are some complications in a module like this. First off, W83781D chips | |
209 | may be both present on the SMBus and the ISA bus, and we have to handle | |
210 | those cases separately at some places. Second, there might be several | |
211 | W83781D chips available (well, actually, that is probably never done; but | |
212 | it is a clean illustration of how to handle a case like that). Finally, | |
213 | a specific chip may be attached to *both* ISA and SMBus, and we would | |
214 | not like to detect it double. Fortunately, in the case of the W83781D at | |
215 | least, a register tells us what SMBus address we are on, so that helps | |
216 | a bit - except if there could be more than one SMBus. Groan. No solution | |
217 | for this yet. */ | |
218 | ||
7666c13c JD |
219 | /* For ISA chips, we abuse the i2c_client addr and name fields. We also use |
220 | the driver field to differentiate between I2C and ISA chips. */ | |
1da177e4 LT |
221 | struct w83781d_data { |
222 | struct i2c_client client; | |
1beeffe4 | 223 | struct device *hwmon_dev; |
9a61bf63 | 224 | struct mutex lock; |
1da177e4 LT |
225 | enum chips type; |
226 | ||
9a61bf63 | 227 | struct mutex update_lock; |
1da177e4 LT |
228 | char valid; /* !=0 if following fields are valid */ |
229 | unsigned long last_updated; /* In jiffies */ | |
230 | ||
231 | struct i2c_client *lm75[2]; /* for secondary I2C addresses */ | |
232 | /* array of 2 pointers to subclients */ | |
233 | ||
234 | u8 in[9]; /* Register value - 8 & 9 for 782D only */ | |
235 | u8 in_max[9]; /* Register value - 8 & 9 for 782D only */ | |
236 | u8 in_min[9]; /* Register value - 8 & 9 for 782D only */ | |
237 | u8 fan[3]; /* Register value */ | |
238 | u8 fan_min[3]; /* Register value */ | |
474d00a8 JD |
239 | s8 temp; /* Register value */ |
240 | s8 temp_max; /* Register value */ | |
241 | s8 temp_max_hyst; /* Register value */ | |
1da177e4 LT |
242 | u16 temp_add[2]; /* Register value */ |
243 | u16 temp_max_add[2]; /* Register value */ | |
244 | u16 temp_max_hyst_add[2]; /* Register value */ | |
245 | u8 fan_div[3]; /* Register encoding, shifted right */ | |
246 | u8 vid; /* Register encoding, combined */ | |
247 | u32 alarms; /* Register encoding, combined */ | |
248 | u32 beep_mask; /* Register encoding, combined */ | |
249 | u8 beep_enable; /* Boolean */ | |
250 | u8 pwm[4]; /* Register value */ | |
34875337 | 251 | u8 pwm2_enable; /* Boolean */ |
1da177e4 LT |
252 | u16 sens[3]; /* 782D/783S only. |
253 | 1 = pentium diode; 2 = 3904 diode; | |
b26f9330 | 254 | 4 = thermistor */ |
1da177e4 LT |
255 | u8 vrm; |
256 | }; | |
257 | ||
258 | static int w83781d_attach_adapter(struct i2c_adapter *adapter); | |
259 | static int w83781d_detect(struct i2c_adapter *adapter, int address, int kind); | |
260 | static int w83781d_detach_client(struct i2c_client *client); | |
261 | ||
7666c13c JD |
262 | static int __devinit w83781d_isa_probe(struct platform_device *pdev); |
263 | static int __devexit w83781d_isa_remove(struct platform_device *pdev); | |
264 | ||
31b8dc4d JD |
265 | static int w83781d_read_value(struct w83781d_data *data, u16 reg); |
266 | static int w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value); | |
1da177e4 | 267 | static struct w83781d_data *w83781d_update_device(struct device *dev); |
7666c13c | 268 | static void w83781d_init_device(struct device *dev); |
1da177e4 LT |
269 | |
270 | static struct i2c_driver w83781d_driver = { | |
cdaf7934 | 271 | .driver = { |
cdaf7934 LR |
272 | .name = "w83781d", |
273 | }, | |
1da177e4 | 274 | .id = I2C_DRIVERID_W83781D, |
1da177e4 LT |
275 | .attach_adapter = w83781d_attach_adapter, |
276 | .detach_client = w83781d_detach_client, | |
277 | }; | |
278 | ||
7666c13c | 279 | static struct platform_driver w83781d_isa_driver = { |
cdaf7934 | 280 | .driver = { |
87218842 | 281 | .owner = THIS_MODULE, |
7666c13c | 282 | .name = "w83781d", |
cdaf7934 | 283 | }, |
7666c13c JD |
284 | .probe = w83781d_isa_probe, |
285 | .remove = w83781d_isa_remove, | |
fde09509 JD |
286 | }; |
287 | ||
288 | ||
1da177e4 LT |
289 | /* following are the sysfs callback functions */ |
290 | #define show_in_reg(reg) \ | |
34875337 JD |
291 | static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \ |
292 | char *buf) \ | |
1da177e4 | 293 | { \ |
34875337 | 294 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
1da177e4 | 295 | struct w83781d_data *data = w83781d_update_device(dev); \ |
34875337 JD |
296 | return sprintf(buf, "%ld\n", \ |
297 | (long)IN_FROM_REG(data->reg[attr->index])); \ | |
1da177e4 LT |
298 | } |
299 | show_in_reg(in); | |
300 | show_in_reg(in_min); | |
301 | show_in_reg(in_max); | |
302 | ||
303 | #define store_in_reg(REG, reg) \ | |
34875337 JD |
304 | static ssize_t store_in_##reg (struct device *dev, struct device_attribute \ |
305 | *da, const char *buf, size_t count) \ | |
1da177e4 | 306 | { \ |
34875337 | 307 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
7666c13c | 308 | struct w83781d_data *data = dev_get_drvdata(dev); \ |
34875337 | 309 | int nr = attr->index; \ |
1da177e4 LT |
310 | u32 val; \ |
311 | \ | |
474d00a8 | 312 | val = simple_strtoul(buf, NULL, 10); \ |
1da177e4 | 313 | \ |
9a61bf63 | 314 | mutex_lock(&data->update_lock); \ |
1da177e4 | 315 | data->in_##reg[nr] = IN_TO_REG(val); \ |
31b8dc4d | 316 | w83781d_write_value(data, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \ |
1da177e4 | 317 | \ |
9a61bf63 | 318 | mutex_unlock(&data->update_lock); \ |
1da177e4 LT |
319 | return count; \ |
320 | } | |
321 | store_in_reg(MIN, min); | |
322 | store_in_reg(MAX, max); | |
323 | ||
1da177e4 | 324 | #define sysfs_in_offsets(offset) \ |
34875337 JD |
325 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ |
326 | show_in, NULL, offset); \ | |
327 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ | |
328 | show_in_min, store_in_min, offset); \ | |
329 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ | |
330 | show_in_max, store_in_max, offset) | |
1da177e4 LT |
331 | |
332 | sysfs_in_offsets(0); | |
333 | sysfs_in_offsets(1); | |
334 | sysfs_in_offsets(2); | |
335 | sysfs_in_offsets(3); | |
336 | sysfs_in_offsets(4); | |
337 | sysfs_in_offsets(5); | |
338 | sysfs_in_offsets(6); | |
339 | sysfs_in_offsets(7); | |
340 | sysfs_in_offsets(8); | |
341 | ||
1da177e4 | 342 | #define show_fan_reg(reg) \ |
34875337 JD |
343 | static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \ |
344 | char *buf) \ | |
1da177e4 | 345 | { \ |
34875337 | 346 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
1da177e4 LT |
347 | struct w83781d_data *data = w83781d_update_device(dev); \ |
348 | return sprintf(buf,"%ld\n", \ | |
34875337 JD |
349 | FAN_FROM_REG(data->reg[attr->index], \ |
350 | DIV_FROM_REG(data->fan_div[attr->index]))); \ | |
1da177e4 LT |
351 | } |
352 | show_fan_reg(fan); | |
353 | show_fan_reg(fan_min); | |
354 | ||
355 | static ssize_t | |
34875337 JD |
356 | store_fan_min(struct device *dev, struct device_attribute *da, |
357 | const char *buf, size_t count) | |
1da177e4 | 358 | { |
34875337 | 359 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c | 360 | struct w83781d_data *data = dev_get_drvdata(dev); |
34875337 | 361 | int nr = attr->index; |
1da177e4 LT |
362 | u32 val; |
363 | ||
364 | val = simple_strtoul(buf, NULL, 10); | |
365 | ||
9a61bf63 | 366 | mutex_lock(&data->update_lock); |
34875337 JD |
367 | data->fan_min[nr] = |
368 | FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); | |
31b8dc4d | 369 | w83781d_write_value(data, W83781D_REG_FAN_MIN(nr), |
34875337 | 370 | data->fan_min[nr]); |
1da177e4 | 371 | |
9a61bf63 | 372 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
373 | return count; |
374 | } | |
375 | ||
34875337 JD |
376 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); |
377 | static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, | |
378 | show_fan_min, store_fan_min, 0); | |
379 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); | |
380 | static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR, | |
381 | show_fan_min, store_fan_min, 1); | |
382 | static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); | |
383 | static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR, | |
384 | show_fan_min, store_fan_min, 2); | |
1da177e4 | 385 | |
1da177e4 | 386 | #define show_temp_reg(reg) \ |
34875337 JD |
387 | static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \ |
388 | char *buf) \ | |
1da177e4 | 389 | { \ |
34875337 | 390 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
1da177e4 | 391 | struct w83781d_data *data = w83781d_update_device(dev); \ |
34875337 | 392 | int nr = attr->index; \ |
1da177e4 LT |
393 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ |
394 | return sprintf(buf,"%d\n", \ | |
395 | LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \ | |
396 | } else { /* TEMP1 */ \ | |
397 | return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \ | |
398 | } \ | |
399 | } | |
400 | show_temp_reg(temp); | |
401 | show_temp_reg(temp_max); | |
402 | show_temp_reg(temp_max_hyst); | |
403 | ||
404 | #define store_temp_reg(REG, reg) \ | |
34875337 JD |
405 | static ssize_t store_temp_##reg (struct device *dev, \ |
406 | struct device_attribute *da, const char *buf, size_t count) \ | |
1da177e4 | 407 | { \ |
34875337 | 408 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
7666c13c | 409 | struct w83781d_data *data = dev_get_drvdata(dev); \ |
34875337 | 410 | int nr = attr->index; \ |
5bfedac0 | 411 | long val; \ |
1da177e4 LT |
412 | \ |
413 | val = simple_strtol(buf, NULL, 10); \ | |
414 | \ | |
9a61bf63 | 415 | mutex_lock(&data->update_lock); \ |
1da177e4 LT |
416 | \ |
417 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ | |
418 | data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \ | |
31b8dc4d | 419 | w83781d_write_value(data, W83781D_REG_TEMP_##REG(nr), \ |
1da177e4 LT |
420 | data->temp_##reg##_add[nr-2]); \ |
421 | } else { /* TEMP1 */ \ | |
422 | data->temp_##reg = TEMP_TO_REG(val); \ | |
31b8dc4d | 423 | w83781d_write_value(data, W83781D_REG_TEMP_##REG(nr), \ |
1da177e4 LT |
424 | data->temp_##reg); \ |
425 | } \ | |
426 | \ | |
9a61bf63 | 427 | mutex_unlock(&data->update_lock); \ |
1da177e4 LT |
428 | return count; \ |
429 | } | |
430 | store_temp_reg(OVER, max); | |
431 | store_temp_reg(HYST, max_hyst); | |
432 | ||
1da177e4 | 433 | #define sysfs_temp_offsets(offset) \ |
34875337 JD |
434 | static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ |
435 | show_temp, NULL, offset); \ | |
436 | static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ | |
437 | show_temp_max, store_temp_max, offset); \ | |
438 | static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \ | |
439 | show_temp_max_hyst, store_temp_max_hyst, offset); | |
1da177e4 LT |
440 | |
441 | sysfs_temp_offsets(1); | |
442 | sysfs_temp_offsets(2); | |
443 | sysfs_temp_offsets(3); | |
444 | ||
1da177e4 | 445 | static ssize_t |
e404e274 | 446 | show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
447 | { |
448 | struct w83781d_data *data = w83781d_update_device(dev); | |
449 | return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); | |
450 | } | |
451 | ||
311ce2ef JC |
452 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
453 | ||
1da177e4 | 454 | static ssize_t |
e404e274 | 455 | show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
456 | { |
457 | struct w83781d_data *data = w83781d_update_device(dev); | |
458 | return sprintf(buf, "%ld\n", (long) data->vrm); | |
459 | } | |
460 | ||
461 | static ssize_t | |
e404e274 | 462 | store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 | 463 | { |
7666c13c | 464 | struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
465 | u32 val; |
466 | ||
467 | val = simple_strtoul(buf, NULL, 10); | |
468 | data->vrm = val; | |
469 | ||
470 | return count; | |
471 | } | |
472 | ||
311ce2ef JC |
473 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); |
474 | ||
1da177e4 | 475 | static ssize_t |
e404e274 | 476 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
477 | { |
478 | struct w83781d_data *data = w83781d_update_device(dev); | |
68188ba7 | 479 | return sprintf(buf, "%u\n", data->alarms); |
1da177e4 LT |
480 | } |
481 | ||
311ce2ef JC |
482 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
483 | ||
e404e274 | 484 | static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
485 | { |
486 | struct w83781d_data *data = w83781d_update_device(dev); | |
487 | return sprintf(buf, "%ld\n", | |
488 | (long)BEEP_MASK_FROM_REG(data->beep_mask, data->type)); | |
489 | } | |
e404e274 | 490 | static ssize_t show_beep_enable (struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
491 | { |
492 | struct w83781d_data *data = w83781d_update_device(dev); | |
474d00a8 | 493 | return sprintf(buf, "%ld\n", (long)data->beep_enable); |
1da177e4 LT |
494 | } |
495 | ||
1da177e4 | 496 | static ssize_t |
34875337 JD |
497 | store_beep_mask(struct device *dev, struct device_attribute *attr, |
498 | const char *buf, size_t count) | |
1da177e4 | 499 | { |
7666c13c | 500 | struct w83781d_data *data = dev_get_drvdata(dev); |
34875337 | 501 | u32 val; |
1da177e4 LT |
502 | |
503 | val = simple_strtoul(buf, NULL, 10); | |
504 | ||
9a61bf63 | 505 | mutex_lock(&data->update_lock); |
34875337 JD |
506 | data->beep_mask = BEEP_MASK_TO_REG(val, data->type); |
507 | w83781d_write_value(data, W83781D_REG_BEEP_INTS1, | |
508 | data->beep_mask & 0xff); | |
509 | w83781d_write_value(data, W83781D_REG_BEEP_INTS2, | |
510 | ((data->beep_mask >> 8) & 0x7f) | |
511 | | data->beep_enable << 7); | |
512 | if (data->type != w83781d && data->type != as99127f) { | |
513 | w83781d_write_value(data, W83781D_REG_BEEP_INTS3, | |
514 | ((data->beep_mask) >> 16) & 0xff); | |
515 | } | |
516 | mutex_unlock(&data->update_lock); | |
1da177e4 | 517 | |
34875337 JD |
518 | return count; |
519 | } | |
1da177e4 | 520 | |
34875337 JD |
521 | static ssize_t |
522 | store_beep_enable(struct device *dev, struct device_attribute *attr, | |
523 | const char *buf, size_t count) | |
524 | { | |
525 | struct w83781d_data *data = dev_get_drvdata(dev); | |
526 | u32 val; | |
1da177e4 | 527 | |
34875337 JD |
528 | val = simple_strtoul(buf, NULL, 10); |
529 | if (val != 0 && val != 1) | |
530 | return -EINVAL; | |
1da177e4 | 531 | |
34875337 JD |
532 | mutex_lock(&data->update_lock); |
533 | data->beep_enable = val; | |
534 | val = w83781d_read_value(data, W83781D_REG_BEEP_INTS2) & 0x7f; | |
535 | val |= data->beep_enable << 7; | |
536 | w83781d_write_value(data, W83781D_REG_BEEP_INTS2, val); | |
9a61bf63 | 537 | mutex_unlock(&data->update_lock); |
34875337 | 538 | |
1da177e4 LT |
539 | return count; |
540 | } | |
541 | ||
34875337 JD |
542 | static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, |
543 | show_beep_mask, store_beep_mask); | |
544 | static DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, | |
545 | show_beep_enable, store_beep_enable); | |
1da177e4 | 546 | |
1da177e4 | 547 | static ssize_t |
34875337 | 548 | show_fan_div(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4 | 549 | { |
34875337 | 550 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
1da177e4 LT |
551 | struct w83781d_data *data = w83781d_update_device(dev); |
552 | return sprintf(buf, "%ld\n", | |
34875337 | 553 | (long) DIV_FROM_REG(data->fan_div[attr->index])); |
1da177e4 LT |
554 | } |
555 | ||
556 | /* Note: we save and restore the fan minimum here, because its value is | |
557 | determined in part by the fan divisor. This follows the principle of | |
d6e05edc | 558 | least surprise; the user doesn't expect the fan minimum to change just |
1da177e4 LT |
559 | because the divisor changed. */ |
560 | static ssize_t | |
34875337 JD |
561 | store_fan_div(struct device *dev, struct device_attribute *da, |
562 | const char *buf, size_t count) | |
1da177e4 | 563 | { |
34875337 | 564 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c | 565 | struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4 | 566 | unsigned long min; |
34875337 | 567 | int nr = attr->index; |
1da177e4 LT |
568 | u8 reg; |
569 | unsigned long val = simple_strtoul(buf, NULL, 10); | |
570 | ||
9a61bf63 | 571 | mutex_lock(&data->update_lock); |
1da177e4 LT |
572 | |
573 | /* Save fan_min */ | |
574 | min = FAN_FROM_REG(data->fan_min[nr], | |
575 | DIV_FROM_REG(data->fan_div[nr])); | |
576 | ||
577 | data->fan_div[nr] = DIV_TO_REG(val, data->type); | |
578 | ||
31b8dc4d | 579 | reg = (w83781d_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) |
1da177e4 LT |
580 | & (nr==0 ? 0xcf : 0x3f)) |
581 | | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); | |
31b8dc4d | 582 | w83781d_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); |
1da177e4 LT |
583 | |
584 | /* w83781d and as99127f don't have extended divisor bits */ | |
585 | if (data->type != w83781d && data->type != as99127f) { | |
31b8dc4d | 586 | reg = (w83781d_read_value(data, W83781D_REG_VBAT) |
1da177e4 LT |
587 | & ~(1 << (5 + nr))) |
588 | | ((data->fan_div[nr] & 0x04) << (3 + nr)); | |
31b8dc4d | 589 | w83781d_write_value(data, W83781D_REG_VBAT, reg); |
1da177e4 LT |
590 | } |
591 | ||
592 | /* Restore fan_min */ | |
593 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); | |
34875337 | 594 | w83781d_write_value(data, W83781D_REG_FAN_MIN(nr), data->fan_min[nr]); |
1da177e4 | 595 | |
9a61bf63 | 596 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
597 | return count; |
598 | } | |
599 | ||
34875337 JD |
600 | static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, |
601 | show_fan_div, store_fan_div, 0); | |
602 | static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR, | |
603 | show_fan_div, store_fan_div, 1); | |
604 | static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO | S_IWUSR, | |
605 | show_fan_div, store_fan_div, 2); | |
1da177e4 | 606 | |
1da177e4 | 607 | static ssize_t |
34875337 | 608 | show_pwm(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4 | 609 | { |
34875337 | 610 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
1da177e4 | 611 | struct w83781d_data *data = w83781d_update_device(dev); |
34875337 | 612 | return sprintf(buf, "%d\n", (int)data->pwm[attr->index]); |
1da177e4 LT |
613 | } |
614 | ||
615 | static ssize_t | |
34875337 | 616 | show_pwm2_enable(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4 LT |
617 | { |
618 | struct w83781d_data *data = w83781d_update_device(dev); | |
34875337 | 619 | return sprintf(buf, "%d\n", (int)data->pwm2_enable); |
1da177e4 LT |
620 | } |
621 | ||
622 | static ssize_t | |
34875337 JD |
623 | store_pwm(struct device *dev, struct device_attribute *da, const char *buf, |
624 | size_t count) | |
1da177e4 | 625 | { |
34875337 | 626 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c | 627 | struct w83781d_data *data = dev_get_drvdata(dev); |
34875337 | 628 | int nr = attr->index; |
1da177e4 LT |
629 | u32 val; |
630 | ||
631 | val = simple_strtoul(buf, NULL, 10); | |
632 | ||
9a61bf63 | 633 | mutex_lock(&data->update_lock); |
34875337 JD |
634 | data->pwm[nr] = SENSORS_LIMIT(val, 0, 255); |
635 | w83781d_write_value(data, W83781D_REG_PWM[nr], data->pwm[nr]); | |
9a61bf63 | 636 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
637 | return count; |
638 | } | |
639 | ||
640 | static ssize_t | |
34875337 JD |
641 | store_pwm2_enable(struct device *dev, struct device_attribute *da, |
642 | const char *buf, size_t count) | |
1da177e4 | 643 | { |
7666c13c | 644 | struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
645 | u32 val, reg; |
646 | ||
647 | val = simple_strtoul(buf, NULL, 10); | |
648 | ||
9a61bf63 | 649 | mutex_lock(&data->update_lock); |
1da177e4 LT |
650 | |
651 | switch (val) { | |
652 | case 0: | |
653 | case 1: | |
31b8dc4d JD |
654 | reg = w83781d_read_value(data, W83781D_REG_PWMCLK12); |
655 | w83781d_write_value(data, W83781D_REG_PWMCLK12, | |
1da177e4 LT |
656 | (reg & 0xf7) | (val << 3)); |
657 | ||
31b8dc4d JD |
658 | reg = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG); |
659 | w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, | |
1da177e4 LT |
660 | (reg & 0xef) | (!val << 4)); |
661 | ||
34875337 | 662 | data->pwm2_enable = val; |
1da177e4 LT |
663 | break; |
664 | ||
665 | default: | |
9a61bf63 | 666 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
667 | return -EINVAL; |
668 | } | |
669 | ||
9a61bf63 | 670 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
671 | return count; |
672 | } | |
673 | ||
34875337 JD |
674 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 0); |
675 | static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 1); | |
676 | static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 2); | |
677 | static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 3); | |
678 | /* only PWM2 can be enabled/disabled */ | |
679 | static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, | |
680 | show_pwm2_enable, store_pwm2_enable); | |
1da177e4 | 681 | |
1da177e4 | 682 | static ssize_t |
34875337 | 683 | show_sensor(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4 | 684 | { |
34875337 | 685 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
1da177e4 | 686 | struct w83781d_data *data = w83781d_update_device(dev); |
34875337 | 687 | return sprintf(buf, "%d\n", (int)data->sens[attr->index]); |
1da177e4 LT |
688 | } |
689 | ||
690 | static ssize_t | |
34875337 JD |
691 | store_sensor(struct device *dev, struct device_attribute *da, |
692 | const char *buf, size_t count) | |
1da177e4 | 693 | { |
34875337 | 694 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c | 695 | struct w83781d_data *data = dev_get_drvdata(dev); |
34875337 | 696 | int nr = attr->index; |
1da177e4 LT |
697 | u32 val, tmp; |
698 | ||
699 | val = simple_strtoul(buf, NULL, 10); | |
700 | ||
9a61bf63 | 701 | mutex_lock(&data->update_lock); |
1da177e4 LT |
702 | |
703 | switch (val) { | |
704 | case 1: /* PII/Celeron diode */ | |
31b8dc4d JD |
705 | tmp = w83781d_read_value(data, W83781D_REG_SCFG1); |
706 | w83781d_write_value(data, W83781D_REG_SCFG1, | |
34875337 | 707 | tmp | BIT_SCFG1[nr]); |
31b8dc4d JD |
708 | tmp = w83781d_read_value(data, W83781D_REG_SCFG2); |
709 | w83781d_write_value(data, W83781D_REG_SCFG2, | |
34875337 JD |
710 | tmp | BIT_SCFG2[nr]); |
711 | data->sens[nr] = val; | |
1da177e4 LT |
712 | break; |
713 | case 2: /* 3904 */ | |
31b8dc4d JD |
714 | tmp = w83781d_read_value(data, W83781D_REG_SCFG1); |
715 | w83781d_write_value(data, W83781D_REG_SCFG1, | |
34875337 | 716 | tmp | BIT_SCFG1[nr]); |
31b8dc4d JD |
717 | tmp = w83781d_read_value(data, W83781D_REG_SCFG2); |
718 | w83781d_write_value(data, W83781D_REG_SCFG2, | |
34875337 JD |
719 | tmp & ~BIT_SCFG2[nr]); |
720 | data->sens[nr] = val; | |
1da177e4 | 721 | break; |
b26f9330 JD |
722 | case W83781D_DEFAULT_BETA: |
723 | dev_warn(dev, "Sensor type %d is deprecated, please use 4 " | |
724 | "instead\n", W83781D_DEFAULT_BETA); | |
725 | /* fall through */ | |
726 | case 4: /* thermistor */ | |
31b8dc4d JD |
727 | tmp = w83781d_read_value(data, W83781D_REG_SCFG1); |
728 | w83781d_write_value(data, W83781D_REG_SCFG1, | |
34875337 JD |
729 | tmp & ~BIT_SCFG1[nr]); |
730 | data->sens[nr] = val; | |
1da177e4 LT |
731 | break; |
732 | default: | |
b26f9330 JD |
733 | dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or 4\n", |
734 | (long) val); | |
1da177e4 LT |
735 | break; |
736 | } | |
737 | ||
9a61bf63 | 738 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
739 | return count; |
740 | } | |
741 | ||
34875337 JD |
742 | static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO | S_IWUSR, |
743 | show_sensor, store_sensor, 0); | |
744 | static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR, | |
393cdad6 | 745 | show_sensor, store_sensor, 1); |
34875337 | 746 | static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR, |
393cdad6 | 747 | show_sensor, store_sensor, 2); |
1da177e4 | 748 | |
7666c13c JD |
749 | /* I2C devices get this name attribute automatically, but for ISA devices |
750 | we must create it by ourselves. */ | |
751 | static ssize_t | |
752 | show_name(struct device *dev, struct device_attribute *devattr, char *buf) | |
753 | { | |
754 | struct w83781d_data *data = dev_get_drvdata(dev); | |
755 | return sprintf(buf, "%s\n", data->client.name); | |
756 | } | |
757 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); | |
758 | ||
1da177e4 LT |
759 | /* This function is called when: |
760 | * w83781d_driver is inserted (when this module is loaded), for each | |
761 | available adapter | |
762 | * when a new adapter is inserted (and w83781d_driver is still present) */ | |
763 | static int | |
764 | w83781d_attach_adapter(struct i2c_adapter *adapter) | |
765 | { | |
766 | if (!(adapter->class & I2C_CLASS_HWMON)) | |
767 | return 0; | |
2ed2dc3c | 768 | return i2c_probe(adapter, &addr_data, w83781d_detect); |
1da177e4 LT |
769 | } |
770 | ||
771 | /* Assumes that adapter is of I2C, not ISA variety. | |
772 | * OTHERWISE DON'T CALL THIS | |
773 | */ | |
774 | static int | |
775 | w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, | |
776 | struct i2c_client *new_client) | |
777 | { | |
778 | int i, val1 = 0, id; | |
779 | int err; | |
780 | const char *client_name = ""; | |
781 | struct w83781d_data *data = i2c_get_clientdata(new_client); | |
782 | ||
ba9c2e8d | 783 | data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
1da177e4 LT |
784 | if (!(data->lm75[0])) { |
785 | err = -ENOMEM; | |
786 | goto ERROR_SC_0; | |
787 | } | |
1da177e4 LT |
788 | |
789 | id = i2c_adapter_id(adapter); | |
790 | ||
791 | if (force_subclients[0] == id && force_subclients[1] == address) { | |
792 | for (i = 2; i <= 3; i++) { | |
793 | if (force_subclients[i] < 0x48 || | |
794 | force_subclients[i] > 0x4f) { | |
795 | dev_err(&new_client->dev, "Invalid subclient " | |
796 | "address %d; must be 0x48-0x4f\n", | |
797 | force_subclients[i]); | |
798 | err = -EINVAL; | |
799 | goto ERROR_SC_1; | |
800 | } | |
801 | } | |
31b8dc4d | 802 | w83781d_write_value(data, W83781D_REG_I2C_SUBADDR, |
1da177e4 LT |
803 | (force_subclients[2] & 0x07) | |
804 | ((force_subclients[3] & 0x07) << 4)); | |
805 | data->lm75[0]->addr = force_subclients[2]; | |
806 | } else { | |
31b8dc4d | 807 | val1 = w83781d_read_value(data, W83781D_REG_I2C_SUBADDR); |
1da177e4 LT |
808 | data->lm75[0]->addr = 0x48 + (val1 & 0x07); |
809 | } | |
810 | ||
811 | if (kind != w83783s) { | |
ba9c2e8d | 812 | data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
1da177e4 LT |
813 | if (!(data->lm75[1])) { |
814 | err = -ENOMEM; | |
815 | goto ERROR_SC_1; | |
816 | } | |
1da177e4 LT |
817 | |
818 | if (force_subclients[0] == id && | |
819 | force_subclients[1] == address) { | |
820 | data->lm75[1]->addr = force_subclients[3]; | |
821 | } else { | |
822 | data->lm75[1]->addr = 0x48 + ((val1 >> 4) & 0x07); | |
823 | } | |
824 | if (data->lm75[0]->addr == data->lm75[1]->addr) { | |
825 | dev_err(&new_client->dev, | |
826 | "Duplicate addresses 0x%x for subclients.\n", | |
827 | data->lm75[0]->addr); | |
828 | err = -EBUSY; | |
829 | goto ERROR_SC_2; | |
830 | } | |
831 | } | |
832 | ||
833 | if (kind == w83781d) | |
834 | client_name = "w83781d subclient"; | |
835 | else if (kind == w83782d) | |
836 | client_name = "w83782d subclient"; | |
837 | else if (kind == w83783s) | |
838 | client_name = "w83783s subclient"; | |
839 | else if (kind == w83627hf) | |
840 | client_name = "w83627hf subclient"; | |
841 | else if (kind == as99127f) | |
842 | client_name = "as99127f subclient"; | |
843 | ||
844 | for (i = 0; i <= 1; i++) { | |
845 | /* store all data in w83781d */ | |
846 | i2c_set_clientdata(data->lm75[i], NULL); | |
847 | data->lm75[i]->adapter = adapter; | |
848 | data->lm75[i]->driver = &w83781d_driver; | |
849 | data->lm75[i]->flags = 0; | |
850 | strlcpy(data->lm75[i]->name, client_name, | |
851 | I2C_NAME_SIZE); | |
852 | if ((err = i2c_attach_client(data->lm75[i]))) { | |
853 | dev_err(&new_client->dev, "Subclient %d " | |
854 | "registration at address 0x%x " | |
855 | "failed.\n", i, data->lm75[i]->addr); | |
856 | if (i == 1) | |
857 | goto ERROR_SC_3; | |
858 | goto ERROR_SC_2; | |
859 | } | |
860 | if (kind == w83783s) | |
861 | break; | |
862 | } | |
863 | ||
864 | return 0; | |
865 | ||
866 | /* Undo inits in case of errors */ | |
867 | ERROR_SC_3: | |
868 | i2c_detach_client(data->lm75[0]); | |
869 | ERROR_SC_2: | |
6044ec88 | 870 | kfree(data->lm75[1]); |
1da177e4 | 871 | ERROR_SC_1: |
6044ec88 | 872 | kfree(data->lm75[0]); |
1da177e4 LT |
873 | ERROR_SC_0: |
874 | return err; | |
875 | } | |
876 | ||
34875337 JD |
877 | #define IN_UNIT_ATTRS(X) \ |
878 | &sensor_dev_attr_in##X##_input.dev_attr.attr, \ | |
879 | &sensor_dev_attr_in##X##_min.dev_attr.attr, \ | |
880 | &sensor_dev_attr_in##X##_max.dev_attr.attr | |
311ce2ef | 881 | |
34875337 JD |
882 | #define FAN_UNIT_ATTRS(X) \ |
883 | &sensor_dev_attr_fan##X##_input.dev_attr.attr, \ | |
884 | &sensor_dev_attr_fan##X##_min.dev_attr.attr, \ | |
885 | &sensor_dev_attr_fan##X##_div.dev_attr.attr | |
311ce2ef | 886 | |
34875337 JD |
887 | #define TEMP_UNIT_ATTRS(X) \ |
888 | &sensor_dev_attr_temp##X##_input.dev_attr.attr, \ | |
889 | &sensor_dev_attr_temp##X##_max.dev_attr.attr, \ | |
890 | &sensor_dev_attr_temp##X##_max_hyst.dev_attr.attr | |
311ce2ef JC |
891 | |
892 | static struct attribute* w83781d_attributes[] = { | |
893 | IN_UNIT_ATTRS(0), | |
894 | IN_UNIT_ATTRS(2), | |
895 | IN_UNIT_ATTRS(3), | |
896 | IN_UNIT_ATTRS(4), | |
897 | IN_UNIT_ATTRS(5), | |
898 | IN_UNIT_ATTRS(6), | |
899 | FAN_UNIT_ATTRS(1), | |
900 | FAN_UNIT_ATTRS(2), | |
901 | FAN_UNIT_ATTRS(3), | |
902 | TEMP_UNIT_ATTRS(1), | |
903 | TEMP_UNIT_ATTRS(2), | |
904 | &dev_attr_cpu0_vid.attr, | |
905 | &dev_attr_vrm.attr, | |
906 | &dev_attr_alarms.attr, | |
907 | &dev_attr_beep_mask.attr, | |
908 | &dev_attr_beep_enable.attr, | |
909 | NULL | |
910 | }; | |
911 | static const struct attribute_group w83781d_group = { | |
912 | .attrs = w83781d_attributes, | |
913 | }; | |
914 | ||
915 | static struct attribute *w83781d_attributes_opt[] = { | |
916 | IN_UNIT_ATTRS(1), | |
917 | IN_UNIT_ATTRS(7), | |
918 | IN_UNIT_ATTRS(8), | |
919 | TEMP_UNIT_ATTRS(3), | |
34875337 JD |
920 | &sensor_dev_attr_pwm1.dev_attr.attr, |
921 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
922 | &sensor_dev_attr_pwm3.dev_attr.attr, | |
923 | &sensor_dev_attr_pwm4.dev_attr.attr, | |
311ce2ef | 924 | &dev_attr_pwm2_enable.attr, |
34875337 JD |
925 | &sensor_dev_attr_temp1_type.dev_attr.attr, |
926 | &sensor_dev_attr_temp2_type.dev_attr.attr, | |
927 | &sensor_dev_attr_temp3_type.dev_attr.attr, | |
311ce2ef JC |
928 | NULL |
929 | }; | |
930 | static const struct attribute_group w83781d_group_opt = { | |
931 | .attrs = w83781d_attributes_opt, | |
932 | }; | |
933 | ||
7666c13c | 934 | /* No clean up is done on error, it's up to the caller */ |
1da177e4 | 935 | static int |
7666c13c | 936 | w83781d_create_files(struct device *dev, int kind, int is_isa) |
1da177e4 | 937 | { |
1da177e4 | 938 | int err; |
1da177e4 | 939 | |
7666c13c JD |
940 | if ((err = sysfs_create_group(&dev->kobj, &w83781d_group))) |
941 | return err; | |
942 | ||
943 | if (kind != w83783s) { | |
34875337 JD |
944 | if ((err = device_create_file(dev, |
945 | &sensor_dev_attr_in1_input.dev_attr)) | |
946 | || (err = device_create_file(dev, | |
947 | &sensor_dev_attr_in1_min.dev_attr)) | |
948 | || (err = device_create_file(dev, | |
949 | &sensor_dev_attr_in1_max.dev_attr))) | |
7666c13c JD |
950 | return err; |
951 | } | |
952 | if (kind != as99127f && kind != w83781d && kind != w83783s) { | |
34875337 JD |
953 | if ((err = device_create_file(dev, |
954 | &sensor_dev_attr_in7_input.dev_attr)) | |
955 | || (err = device_create_file(dev, | |
956 | &sensor_dev_attr_in7_min.dev_attr)) | |
957 | || (err = device_create_file(dev, | |
958 | &sensor_dev_attr_in7_max.dev_attr)) | |
959 | || (err = device_create_file(dev, | |
960 | &sensor_dev_attr_in8_input.dev_attr)) | |
961 | || (err = device_create_file(dev, | |
962 | &sensor_dev_attr_in8_min.dev_attr)) | |
963 | || (err = device_create_file(dev, | |
964 | &sensor_dev_attr_in8_max.dev_attr))) | |
7666c13c JD |
965 | return err; |
966 | } | |
967 | if (kind != w83783s) { | |
34875337 JD |
968 | if ((err = device_create_file(dev, |
969 | &sensor_dev_attr_temp3_input.dev_attr)) | |
970 | || (err = device_create_file(dev, | |
971 | &sensor_dev_attr_temp3_max.dev_attr)) | |
7666c13c | 972 | || (err = device_create_file(dev, |
34875337 | 973 | &sensor_dev_attr_temp3_max_hyst.dev_attr))) |
7666c13c | 974 | return err; |
1da177e4 LT |
975 | } |
976 | ||
7666c13c | 977 | if (kind != w83781d && kind != as99127f) { |
34875337 JD |
978 | if ((err = device_create_file(dev, |
979 | &sensor_dev_attr_pwm1.dev_attr)) | |
980 | || (err = device_create_file(dev, | |
981 | &sensor_dev_attr_pwm2.dev_attr)) | |
7666c13c JD |
982 | || (err = device_create_file(dev, &dev_attr_pwm2_enable))) |
983 | return err; | |
1da177e4 | 984 | } |
7666c13c | 985 | if (kind == w83782d && !is_isa) { |
34875337 JD |
986 | if ((err = device_create_file(dev, |
987 | &sensor_dev_attr_pwm3.dev_attr)) | |
988 | || (err = device_create_file(dev, | |
989 | &sensor_dev_attr_pwm4.dev_attr))) | |
7666c13c JD |
990 | return err; |
991 | } | |
992 | ||
993 | if (kind != as99127f && kind != w83781d) { | |
34875337 JD |
994 | if ((err = device_create_file(dev, |
995 | &sensor_dev_attr_temp1_type.dev_attr)) | |
7666c13c | 996 | || (err = device_create_file(dev, |
34875337 | 997 | &sensor_dev_attr_temp2_type.dev_attr))) |
7666c13c JD |
998 | return err; |
999 | if (kind != w83783s) { | |
1000 | if ((err = device_create_file(dev, | |
34875337 | 1001 | &sensor_dev_attr_temp3_type.dev_attr))) |
7666c13c | 1002 | return err; |
1da177e4 | 1003 | } |
7666c13c | 1004 | } |
1da177e4 | 1005 | |
7666c13c JD |
1006 | if (is_isa) { |
1007 | err = device_create_file(&pdev->dev, &dev_attr_name); | |
1008 | if (err) | |
1009 | return err; | |
1010 | } | |
1da177e4 | 1011 | |
7666c13c JD |
1012 | return 0; |
1013 | } | |
1da177e4 | 1014 | |
7666c13c JD |
1015 | static int |
1016 | w83781d_detect(struct i2c_adapter *adapter, int address, int kind) | |
1017 | { | |
1018 | int val1 = 0, val2; | |
1019 | struct i2c_client *client; | |
1020 | struct device *dev; | |
1021 | struct w83781d_data *data; | |
1022 | int err; | |
1023 | const char *client_name = ""; | |
1024 | enum vendor { winbond, asus } vendid; | |
1025 | ||
1026 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
1027 | err = -EINVAL; | |
1028 | goto ERROR1; | |
1da177e4 LT |
1029 | } |
1030 | ||
1031 | /* OK. For now, we presume we have a valid client. We now create the | |
1032 | client structure, even though we cannot fill it completely yet. | |
1033 | But it allows us to access w83781d_{read,write}_value. */ | |
1034 | ||
ba9c2e8d | 1035 | if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) { |
1da177e4 LT |
1036 | err = -ENOMEM; |
1037 | goto ERROR1; | |
1038 | } | |
1da177e4 | 1039 | |
311ce2ef JC |
1040 | client = &data->client; |
1041 | i2c_set_clientdata(client, data); | |
1042 | client->addr = address; | |
9a61bf63 | 1043 | mutex_init(&data->lock); |
311ce2ef | 1044 | client->adapter = adapter; |
7666c13c | 1045 | client->driver = &w83781d_driver; |
311ce2ef | 1046 | dev = &client->dev; |
1da177e4 LT |
1047 | |
1048 | /* Now, we do the remaining detection. */ | |
1049 | ||
1050 | /* The w8378?d may be stuck in some other bank than bank 0. This may | |
1051 | make reading other information impossible. Specify a force=... or | |
1052 | force_*=... parameter, and the Winbond will be reset to the right | |
1053 | bank. */ | |
1054 | if (kind < 0) { | |
31b8dc4d | 1055 | if (w83781d_read_value(data, W83781D_REG_CONFIG) & 0x80) { |
bd452e6f JD |
1056 | dev_dbg(&adapter->dev, "Detection of w83781d chip " |
1057 | "failed at step 3\n"); | |
1da177e4 LT |
1058 | err = -ENODEV; |
1059 | goto ERROR2; | |
1060 | } | |
31b8dc4d JD |
1061 | val1 = w83781d_read_value(data, W83781D_REG_BANK); |
1062 | val2 = w83781d_read_value(data, W83781D_REG_CHIPMAN); | |
1da177e4 LT |
1063 | /* Check for Winbond or Asus ID if in bank 0 */ |
1064 | if ((!(val1 & 0x07)) && | |
1065 | (((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3)) | |
1066 | || ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) { | |
bd452e6f JD |
1067 | dev_dbg(&adapter->dev, "Detection of w83781d chip " |
1068 | "failed at step 4\n"); | |
1da177e4 LT |
1069 | err = -ENODEV; |
1070 | goto ERROR2; | |
1071 | } | |
1072 | /* If Winbond SMBus, check address at 0x48. | |
1073 | Asus doesn't support, except for as99127f rev.2 */ | |
7666c13c JD |
1074 | if ((!(val1 & 0x80) && (val2 == 0xa3)) || |
1075 | ((val1 & 0x80) && (val2 == 0x5c))) { | |
1da177e4 | 1076 | if (w83781d_read_value |
31b8dc4d | 1077 | (data, W83781D_REG_I2C_ADDR) != address) { |
bd452e6f JD |
1078 | dev_dbg(&adapter->dev, "Detection of w83781d " |
1079 | "chip failed at step 5\n"); | |
1da177e4 LT |
1080 | err = -ENODEV; |
1081 | goto ERROR2; | |
1082 | } | |
1083 | } | |
1084 | } | |
1085 | ||
1086 | /* We have either had a force parameter, or we have already detected the | |
1087 | Winbond. Put it now into bank 0 and Vendor ID High Byte */ | |
31b8dc4d JD |
1088 | w83781d_write_value(data, W83781D_REG_BANK, |
1089 | (w83781d_read_value(data, W83781D_REG_BANK) | |
311ce2ef | 1090 | & 0x78) | 0x80); |
1da177e4 LT |
1091 | |
1092 | /* Determine the chip type. */ | |
1093 | if (kind <= 0) { | |
1094 | /* get vendor ID */ | |
31b8dc4d | 1095 | val2 = w83781d_read_value(data, W83781D_REG_CHIPMAN); |
1da177e4 LT |
1096 | if (val2 == 0x5c) |
1097 | vendid = winbond; | |
1098 | else if (val2 == 0x12) | |
1099 | vendid = asus; | |
1100 | else { | |
bd452e6f JD |
1101 | dev_dbg(&adapter->dev, "w83781d chip vendor is " |
1102 | "neither Winbond nor Asus\n"); | |
1da177e4 LT |
1103 | err = -ENODEV; |
1104 | goto ERROR2; | |
1105 | } | |
1106 | ||
31b8dc4d | 1107 | val1 = w83781d_read_value(data, W83781D_REG_WCHIPID); |
1da177e4 LT |
1108 | if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond) |
1109 | kind = w83781d; | |
1110 | else if (val1 == 0x30 && vendid == winbond) | |
1111 | kind = w83782d; | |
7666c13c | 1112 | else if (val1 == 0x40 && vendid == winbond && address == 0x2d) |
1da177e4 | 1113 | kind = w83783s; |
7c7a5304 | 1114 | else if (val1 == 0x21 && vendid == winbond) |
1da177e4 | 1115 | kind = w83627hf; |
7666c13c | 1116 | else if (val1 == 0x31 && address >= 0x28) |
1da177e4 | 1117 | kind = as99127f; |
1da177e4 LT |
1118 | else { |
1119 | if (kind == 0) | |
bd452e6f | 1120 | dev_warn(&adapter->dev, "Ignoring 'force' " |
1da177e4 | 1121 | "parameter for unknown chip at " |
bd452e6f | 1122 | "address 0x%02x\n", address); |
1da177e4 LT |
1123 | err = -EINVAL; |
1124 | goto ERROR2; | |
1125 | } | |
1126 | } | |
1127 | ||
1128 | if (kind == w83781d) { | |
1129 | client_name = "w83781d"; | |
1130 | } else if (kind == w83782d) { | |
1131 | client_name = "w83782d"; | |
1132 | } else if (kind == w83783s) { | |
1133 | client_name = "w83783s"; | |
1134 | } else if (kind == w83627hf) { | |
7c7a5304 | 1135 | client_name = "w83627hf"; |
1da177e4 LT |
1136 | } else if (kind == as99127f) { |
1137 | client_name = "as99127f"; | |
1da177e4 LT |
1138 | } |
1139 | ||
1140 | /* Fill in the remaining client fields and put into the global list */ | |
311ce2ef | 1141 | strlcpy(client->name, client_name, I2C_NAME_SIZE); |
1da177e4 LT |
1142 | data->type = kind; |
1143 | ||
1da177e4 | 1144 | /* Tell the I2C layer a new client has arrived */ |
311ce2ef | 1145 | if ((err = i2c_attach_client(client))) |
1da177e4 LT |
1146 | goto ERROR2; |
1147 | ||
1148 | /* attach secondary i2c lm75-like clients */ | |
7666c13c JD |
1149 | if ((err = w83781d_detect_subclients(adapter, address, |
1150 | kind, client))) | |
1151 | goto ERROR3; | |
1da177e4 LT |
1152 | |
1153 | /* Initialize the chip */ | |
7666c13c | 1154 | w83781d_init_device(dev); |
1da177e4 LT |
1155 | |
1156 | /* Register sysfs hooks */ | |
7666c13c JD |
1157 | err = w83781d_create_files(dev, kind, 0); |
1158 | if (err) | |
943b0830 | 1159 | goto ERROR4; |
943b0830 | 1160 | |
1beeffe4 TJ |
1161 | data->hwmon_dev = hwmon_device_register(dev); |
1162 | if (IS_ERR(data->hwmon_dev)) { | |
1163 | err = PTR_ERR(data->hwmon_dev); | |
311ce2ef | 1164 | goto ERROR4; |
1da177e4 LT |
1165 | } |
1166 | ||
1167 | return 0; | |
1168 | ||
943b0830 | 1169 | ERROR4: |
311ce2ef JC |
1170 | sysfs_remove_group(&dev->kobj, &w83781d_group); |
1171 | sysfs_remove_group(&dev->kobj, &w83781d_group_opt); | |
1172 | ||
943b0830 MH |
1173 | if (data->lm75[1]) { |
1174 | i2c_detach_client(data->lm75[1]); | |
1175 | kfree(data->lm75[1]); | |
1176 | } | |
1177 | if (data->lm75[0]) { | |
1178 | i2c_detach_client(data->lm75[0]); | |
1179 | kfree(data->lm75[0]); | |
1180 | } | |
1da177e4 | 1181 | ERROR3: |
311ce2ef | 1182 | i2c_detach_client(client); |
1da177e4 LT |
1183 | ERROR2: |
1184 | kfree(data); | |
1185 | ERROR1: | |
1da177e4 LT |
1186 | return err; |
1187 | } | |
1188 | ||
1189 | static int | |
1190 | w83781d_detach_client(struct i2c_client *client) | |
1191 | { | |
943b0830 | 1192 | struct w83781d_data *data = i2c_get_clientdata(client); |
1da177e4 LT |
1193 | int err; |
1194 | ||
943b0830 | 1195 | /* main client */ |
311ce2ef | 1196 | if (data) { |
1beeffe4 | 1197 | hwmon_device_unregister(data->hwmon_dev); |
311ce2ef JC |
1198 | sysfs_remove_group(&client->dev.kobj, &w83781d_group); |
1199 | sysfs_remove_group(&client->dev.kobj, &w83781d_group_opt); | |
1200 | } | |
1da177e4 | 1201 | |
7bef5594 | 1202 | if ((err = i2c_detach_client(client))) |
1da177e4 | 1203 | return err; |
1da177e4 | 1204 | |
943b0830 MH |
1205 | /* main client */ |
1206 | if (data) | |
1207 | kfree(data); | |
1208 | ||
1209 | /* subclient */ | |
1210 | else | |
1da177e4 | 1211 | kfree(client); |
1da177e4 LT |
1212 | |
1213 | return 0; | |
1214 | } | |
1215 | ||
7666c13c JD |
1216 | static int __devinit |
1217 | w83781d_isa_probe(struct platform_device *pdev) | |
1218 | { | |
1219 | int err, reg; | |
1220 | struct w83781d_data *data; | |
1221 | struct resource *res; | |
1222 | const char *name; | |
1223 | ||
1224 | /* Reserve the ISA region */ | |
1225 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); | |
1226 | if (!request_region(res->start, W83781D_EXTENT, "w83781d")) { | |
1227 | err = -EBUSY; | |
1228 | goto exit; | |
1229 | } | |
1230 | ||
1231 | if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) { | |
1232 | err = -ENOMEM; | |
1233 | goto exit_release_region; | |
1234 | } | |
1235 | mutex_init(&data->lock); | |
1236 | data->client.addr = res->start; | |
1237 | i2c_set_clientdata(&data->client, data); | |
1238 | platform_set_drvdata(pdev, data); | |
1239 | ||
31b8dc4d | 1240 | reg = w83781d_read_value(data, W83781D_REG_WCHIPID); |
7666c13c JD |
1241 | switch (reg) { |
1242 | case 0x21: | |
1243 | data->type = w83627hf; | |
1244 | name = "w83627hf"; | |
1245 | break; | |
1246 | case 0x30: | |
1247 | data->type = w83782d; | |
1248 | name = "w83782d"; | |
1249 | break; | |
1250 | default: | |
1251 | data->type = w83781d; | |
1252 | name = "w83781d"; | |
1253 | } | |
1254 | strlcpy(data->client.name, name, I2C_NAME_SIZE); | |
1255 | ||
1256 | /* Initialize the W83781D chip */ | |
1257 | w83781d_init_device(&pdev->dev); | |
1258 | ||
1259 | /* Register sysfs hooks */ | |
1260 | err = w83781d_create_files(&pdev->dev, data->type, 1); | |
1261 | if (err) | |
1262 | goto exit_remove_files; | |
1263 | ||
1beeffe4 TJ |
1264 | data->hwmon_dev = hwmon_device_register(&pdev->dev); |
1265 | if (IS_ERR(data->hwmon_dev)) { | |
1266 | err = PTR_ERR(data->hwmon_dev); | |
7666c13c JD |
1267 | goto exit_remove_files; |
1268 | } | |
1269 | ||
1270 | return 0; | |
1271 | ||
1272 | exit_remove_files: | |
1273 | sysfs_remove_group(&pdev->dev.kobj, &w83781d_group); | |
1274 | sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt); | |
1275 | device_remove_file(&pdev->dev, &dev_attr_name); | |
1276 | kfree(data); | |
1277 | exit_release_region: | |
1278 | release_region(res->start, W83781D_EXTENT); | |
1279 | exit: | |
1280 | return err; | |
1281 | } | |
1282 | ||
1283 | static int __devexit | |
1284 | w83781d_isa_remove(struct platform_device *pdev) | |
1285 | { | |
1286 | struct w83781d_data *data = platform_get_drvdata(pdev); | |
1287 | ||
1beeffe4 | 1288 | hwmon_device_unregister(data->hwmon_dev); |
7666c13c JD |
1289 | sysfs_remove_group(&pdev->dev.kobj, &w83781d_group); |
1290 | sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt); | |
1291 | device_remove_file(&pdev->dev, &dev_attr_name); | |
1292 | release_region(data->client.addr, W83781D_EXTENT); | |
1293 | kfree(data); | |
1294 | ||
1295 | return 0; | |
1296 | } | |
1297 | ||
1da177e4 LT |
1298 | /* The SMBus locks itself, usually, but nothing may access the Winbond between |
1299 | bank switches. ISA access must always be locked explicitly! | |
1300 | We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks, | |
1301 | would slow down the W83781D access and should not be necessary. | |
1302 | There are some ugly typecasts here, but the good news is - they should | |
1303 | nowhere else be necessary! */ | |
1304 | static int | |
31b8dc4d | 1305 | w83781d_read_value(struct w83781d_data *data, u16 reg) |
1da177e4 | 1306 | { |
31b8dc4d | 1307 | struct i2c_client *client = &data->client; |
1da177e4 LT |
1308 | int res, word_sized, bank; |
1309 | struct i2c_client *cl; | |
1310 | ||
9a61bf63 | 1311 | mutex_lock(&data->lock); |
7666c13c | 1312 | if (!client->driver) { /* ISA device */ |
1da177e4 LT |
1313 | word_sized = (((reg & 0xff00) == 0x100) |
1314 | || ((reg & 0xff00) == 0x200)) | |
1315 | && (((reg & 0x00ff) == 0x50) | |
1316 | || ((reg & 0x00ff) == 0x53) | |
1317 | || ((reg & 0x00ff) == 0x55)); | |
1318 | if (reg & 0xff00) { | |
1319 | outb_p(W83781D_REG_BANK, | |
1320 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1321 | outb_p(reg >> 8, | |
1322 | client->addr + W83781D_DATA_REG_OFFSET); | |
1323 | } | |
1324 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); | |
1325 | res = inb_p(client->addr + W83781D_DATA_REG_OFFSET); | |
1326 | if (word_sized) { | |
1327 | outb_p((reg & 0xff) + 1, | |
1328 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1329 | res = | |
1330 | (res << 8) + inb_p(client->addr + | |
1331 | W83781D_DATA_REG_OFFSET); | |
1332 | } | |
1333 | if (reg & 0xff00) { | |
1334 | outb_p(W83781D_REG_BANK, | |
1335 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1336 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); | |
1337 | } | |
1338 | } else { | |
1339 | bank = (reg >> 8) & 0x0f; | |
1340 | if (bank > 2) | |
1341 | /* switch banks */ | |
1342 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, | |
1343 | bank); | |
1344 | if (bank == 0 || bank > 2) { | |
1345 | res = i2c_smbus_read_byte_data(client, reg & 0xff); | |
1346 | } else { | |
1347 | /* switch to subclient */ | |
1348 | cl = data->lm75[bank - 1]; | |
1349 | /* convert from ISA to LM75 I2C addresses */ | |
1350 | switch (reg & 0xff) { | |
1351 | case 0x50: /* TEMP */ | |
1352 | res = swab16(i2c_smbus_read_word_data(cl, 0)); | |
1353 | break; | |
1354 | case 0x52: /* CONFIG */ | |
1355 | res = i2c_smbus_read_byte_data(cl, 1); | |
1356 | break; | |
1357 | case 0x53: /* HYST */ | |
1358 | res = swab16(i2c_smbus_read_word_data(cl, 2)); | |
1359 | break; | |
1360 | case 0x55: /* OVER */ | |
1361 | default: | |
1362 | res = swab16(i2c_smbus_read_word_data(cl, 3)); | |
1363 | break; | |
1364 | } | |
1365 | } | |
1366 | if (bank > 2) | |
1367 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); | |
1368 | } | |
9a61bf63 | 1369 | mutex_unlock(&data->lock); |
1da177e4 LT |
1370 | return res; |
1371 | } | |
1372 | ||
1373 | static int | |
31b8dc4d | 1374 | w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value) |
1da177e4 | 1375 | { |
31b8dc4d | 1376 | struct i2c_client *client = &data->client; |
1da177e4 LT |
1377 | int word_sized, bank; |
1378 | struct i2c_client *cl; | |
1379 | ||
9a61bf63 | 1380 | mutex_lock(&data->lock); |
7666c13c | 1381 | if (!client->driver) { /* ISA device */ |
1da177e4 LT |
1382 | word_sized = (((reg & 0xff00) == 0x100) |
1383 | || ((reg & 0xff00) == 0x200)) | |
1384 | && (((reg & 0x00ff) == 0x53) | |
1385 | || ((reg & 0x00ff) == 0x55)); | |
1386 | if (reg & 0xff00) { | |
1387 | outb_p(W83781D_REG_BANK, | |
1388 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1389 | outb_p(reg >> 8, | |
1390 | client->addr + W83781D_DATA_REG_OFFSET); | |
1391 | } | |
1392 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); | |
1393 | if (word_sized) { | |
1394 | outb_p(value >> 8, | |
1395 | client->addr + W83781D_DATA_REG_OFFSET); | |
1396 | outb_p((reg & 0xff) + 1, | |
1397 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1398 | } | |
1399 | outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET); | |
1400 | if (reg & 0xff00) { | |
1401 | outb_p(W83781D_REG_BANK, | |
1402 | client->addr + W83781D_ADDR_REG_OFFSET); | |
1403 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); | |
1404 | } | |
1405 | } else { | |
1406 | bank = (reg >> 8) & 0x0f; | |
1407 | if (bank > 2) | |
1408 | /* switch banks */ | |
1409 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, | |
1410 | bank); | |
1411 | if (bank == 0 || bank > 2) { | |
1412 | i2c_smbus_write_byte_data(client, reg & 0xff, | |
1413 | value & 0xff); | |
1414 | } else { | |
1415 | /* switch to subclient */ | |
1416 | cl = data->lm75[bank - 1]; | |
1417 | /* convert from ISA to LM75 I2C addresses */ | |
1418 | switch (reg & 0xff) { | |
1419 | case 0x52: /* CONFIG */ | |
1420 | i2c_smbus_write_byte_data(cl, 1, value & 0xff); | |
1421 | break; | |
1422 | case 0x53: /* HYST */ | |
1423 | i2c_smbus_write_word_data(cl, 2, swab16(value)); | |
1424 | break; | |
1425 | case 0x55: /* OVER */ | |
1426 | i2c_smbus_write_word_data(cl, 3, swab16(value)); | |
1427 | break; | |
1428 | } | |
1429 | } | |
1430 | if (bank > 2) | |
1431 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); | |
1432 | } | |
9a61bf63 | 1433 | mutex_unlock(&data->lock); |
1da177e4 LT |
1434 | return 0; |
1435 | } | |
1436 | ||
1da177e4 | 1437 | static void |
7666c13c | 1438 | w83781d_init_device(struct device *dev) |
1da177e4 | 1439 | { |
7666c13c | 1440 | struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1441 | int i, p; |
1442 | int type = data->type; | |
1443 | u8 tmp; | |
1444 | ||
f5f8d38b JD |
1445 | if (type == w83627hf) |
1446 | dev_info(dev, "The W83627HF chip is better supported by the " | |
1447 | "w83627hf driver, support will be dropped from the " | |
1448 | "w83781d driver soon\n"); | |
1449 | ||
fabddcd4 | 1450 | if (reset && type != as99127f) { /* this resets registers we don't have |
1da177e4 | 1451 | documentation for on the as99127f */ |
fabddcd4 JD |
1452 | /* Resetting the chip has been the default for a long time, |
1453 | but it causes the BIOS initializations (fan clock dividers, | |
1454 | thermal sensor types...) to be lost, so it is now optional. | |
1455 | It might even go away if nobody reports it as being useful, | |
1456 | as I see very little reason why this would be needed at | |
1457 | all. */ | |
7666c13c | 1458 | dev_info(dev, "If reset=1 solved a problem you were " |
fabddcd4 JD |
1459 | "having, please report!\n"); |
1460 | ||
1da177e4 | 1461 | /* save these registers */ |
31b8dc4d JD |
1462 | i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG); |
1463 | p = w83781d_read_value(data, W83781D_REG_PWMCLK12); | |
1da177e4 LT |
1464 | /* Reset all except Watchdog values and last conversion values |
1465 | This sets fan-divs to 2, among others */ | |
31b8dc4d | 1466 | w83781d_write_value(data, W83781D_REG_CONFIG, 0x80); |
1da177e4 LT |
1467 | /* Restore the registers and disable power-on abnormal beep. |
1468 | This saves FAN 1/2/3 input/output values set by BIOS. */ | |
31b8dc4d JD |
1469 | w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80); |
1470 | w83781d_write_value(data, W83781D_REG_PWMCLK12, p); | |
1da177e4 LT |
1471 | /* Disable master beep-enable (reset turns it on). |
1472 | Individual beep_mask should be reset to off but for some reason | |
1473 | disabling this bit helps some people not get beeped */ | |
31b8dc4d | 1474 | w83781d_write_value(data, W83781D_REG_BEEP_INTS2, 0); |
1da177e4 LT |
1475 | } |
1476 | ||
fabddcd4 JD |
1477 | /* Disable power-on abnormal beep, as advised by the datasheet. |
1478 | Already done if reset=1. */ | |
1479 | if (init && !reset && type != as99127f) { | |
31b8dc4d JD |
1480 | i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG); |
1481 | w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80); | |
fabddcd4 JD |
1482 | } |
1483 | ||
303760b4 | 1484 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1485 | |
1486 | if ((type != w83781d) && (type != as99127f)) { | |
31b8dc4d | 1487 | tmp = w83781d_read_value(data, W83781D_REG_SCFG1); |
1da177e4 LT |
1488 | for (i = 1; i <= 3; i++) { |
1489 | if (!(tmp & BIT_SCFG1[i - 1])) { | |
b26f9330 | 1490 | data->sens[i - 1] = 4; |
1da177e4 LT |
1491 | } else { |
1492 | if (w83781d_read_value | |
31b8dc4d | 1493 | (data, |
1da177e4 LT |
1494 | W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) |
1495 | data->sens[i - 1] = 1; | |
1496 | else | |
1497 | data->sens[i - 1] = 2; | |
1498 | } | |
7c7a5304 | 1499 | if (type == w83783s && i == 2) |
1da177e4 LT |
1500 | break; |
1501 | } | |
1502 | } | |
1503 | ||
1504 | if (init && type != as99127f) { | |
1505 | /* Enable temp2 */ | |
31b8dc4d | 1506 | tmp = w83781d_read_value(data, W83781D_REG_TEMP2_CONFIG); |
1da177e4 | 1507 | if (tmp & 0x01) { |
7666c13c | 1508 | dev_warn(dev, "Enabling temp2, readings " |
1da177e4 | 1509 | "might not make sense\n"); |
31b8dc4d | 1510 | w83781d_write_value(data, W83781D_REG_TEMP2_CONFIG, |
1da177e4 LT |
1511 | tmp & 0xfe); |
1512 | } | |
1513 | ||
1514 | /* Enable temp3 */ | |
7c7a5304 | 1515 | if (type != w83783s) { |
31b8dc4d | 1516 | tmp = w83781d_read_value(data, |
1da177e4 LT |
1517 | W83781D_REG_TEMP3_CONFIG); |
1518 | if (tmp & 0x01) { | |
7666c13c | 1519 | dev_warn(dev, "Enabling temp3, " |
1da177e4 | 1520 | "readings might not make sense\n"); |
31b8dc4d | 1521 | w83781d_write_value(data, |
1da177e4 LT |
1522 | W83781D_REG_TEMP3_CONFIG, tmp & 0xfe); |
1523 | } | |
1524 | } | |
1da177e4 LT |
1525 | } |
1526 | ||
1527 | /* Start monitoring */ | |
31b8dc4d JD |
1528 | w83781d_write_value(data, W83781D_REG_CONFIG, |
1529 | (w83781d_read_value(data, | |
1da177e4 LT |
1530 | W83781D_REG_CONFIG) & 0xf7) |
1531 | | 0x01); | |
7666c13c JD |
1532 | |
1533 | /* A few vars need to be filled upon startup */ | |
34875337 JD |
1534 | for (i = 0; i < 3; i++) { |
1535 | data->fan_min[i] = w83781d_read_value(data, | |
7666c13c JD |
1536 | W83781D_REG_FAN_MIN(i)); |
1537 | } | |
7666c13c JD |
1538 | |
1539 | mutex_init(&data->update_lock); | |
1da177e4 LT |
1540 | } |
1541 | ||
1542 | static struct w83781d_data *w83781d_update_device(struct device *dev) | |
1543 | { | |
7666c13c JD |
1544 | struct w83781d_data *data = dev_get_drvdata(dev); |
1545 | struct i2c_client *client = &data->client; | |
1da177e4 LT |
1546 | int i; |
1547 | ||
9a61bf63 | 1548 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1549 | |
1550 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) | |
1551 | || !data->valid) { | |
1552 | dev_dbg(dev, "Starting device update\n"); | |
1553 | ||
1554 | for (i = 0; i <= 8; i++) { | |
7c7a5304 | 1555 | if (data->type == w83783s && i == 1) |
1da177e4 LT |
1556 | continue; /* 783S has no in1 */ |
1557 | data->in[i] = | |
31b8dc4d | 1558 | w83781d_read_value(data, W83781D_REG_IN(i)); |
1da177e4 | 1559 | data->in_min[i] = |
31b8dc4d | 1560 | w83781d_read_value(data, W83781D_REG_IN_MIN(i)); |
1da177e4 | 1561 | data->in_max[i] = |
31b8dc4d | 1562 | w83781d_read_value(data, W83781D_REG_IN_MAX(i)); |
7c7a5304 | 1563 | if ((data->type != w83782d) |
1da177e4 LT |
1564 | && (data->type != w83627hf) && (i == 6)) |
1565 | break; | |
1566 | } | |
34875337 JD |
1567 | for (i = 0; i < 3; i++) { |
1568 | data->fan[i] = | |
31b8dc4d | 1569 | w83781d_read_value(data, W83781D_REG_FAN(i)); |
34875337 | 1570 | data->fan_min[i] = |
31b8dc4d | 1571 | w83781d_read_value(data, W83781D_REG_FAN_MIN(i)); |
1da177e4 LT |
1572 | } |
1573 | if (data->type != w83781d && data->type != as99127f) { | |
34875337 JD |
1574 | for (i = 0; i < 4; i++) { |
1575 | data->pwm[i] = | |
31b8dc4d | 1576 | w83781d_read_value(data, |
34875337 | 1577 | W83781D_REG_PWM[i]); |
7666c13c | 1578 | if ((data->type != w83782d || !client->driver) |
34875337 | 1579 | && i == 1) |
1da177e4 LT |
1580 | break; |
1581 | } | |
1582 | /* Only PWM2 can be disabled */ | |
34875337 | 1583 | data->pwm2_enable = (w83781d_read_value(data, |
1da177e4 LT |
1584 | W83781D_REG_PWMCLK12) & 0x08) >> 3; |
1585 | } | |
1586 | ||
31b8dc4d | 1587 | data->temp = w83781d_read_value(data, W83781D_REG_TEMP(1)); |
1da177e4 | 1588 | data->temp_max = |
31b8dc4d | 1589 | w83781d_read_value(data, W83781D_REG_TEMP_OVER(1)); |
1da177e4 | 1590 | data->temp_max_hyst = |
31b8dc4d | 1591 | w83781d_read_value(data, W83781D_REG_TEMP_HYST(1)); |
1da177e4 | 1592 | data->temp_add[0] = |
31b8dc4d | 1593 | w83781d_read_value(data, W83781D_REG_TEMP(2)); |
1da177e4 | 1594 | data->temp_max_add[0] = |
31b8dc4d | 1595 | w83781d_read_value(data, W83781D_REG_TEMP_OVER(2)); |
1da177e4 | 1596 | data->temp_max_hyst_add[0] = |
31b8dc4d | 1597 | w83781d_read_value(data, W83781D_REG_TEMP_HYST(2)); |
7c7a5304 | 1598 | if (data->type != w83783s) { |
1da177e4 | 1599 | data->temp_add[1] = |
31b8dc4d | 1600 | w83781d_read_value(data, W83781D_REG_TEMP(3)); |
1da177e4 | 1601 | data->temp_max_add[1] = |
31b8dc4d | 1602 | w83781d_read_value(data, |
1da177e4 LT |
1603 | W83781D_REG_TEMP_OVER(3)); |
1604 | data->temp_max_hyst_add[1] = | |
31b8dc4d | 1605 | w83781d_read_value(data, |
1da177e4 LT |
1606 | W83781D_REG_TEMP_HYST(3)); |
1607 | } | |
31b8dc4d | 1608 | i = w83781d_read_value(data, W83781D_REG_VID_FANDIV); |
7c7a5304 | 1609 | data->vid = i & 0x0f; |
31b8dc4d | 1610 | data->vid |= (w83781d_read_value(data, |
7c7a5304 | 1611 | W83781D_REG_CHIPID) & 0x01) << 4; |
1da177e4 LT |
1612 | data->fan_div[0] = (i >> 4) & 0x03; |
1613 | data->fan_div[1] = (i >> 6) & 0x03; | |
31b8dc4d | 1614 | data->fan_div[2] = (w83781d_read_value(data, |
7c7a5304 | 1615 | W83781D_REG_PIN) >> 6) & 0x03; |
1da177e4 | 1616 | if ((data->type != w83781d) && (data->type != as99127f)) { |
31b8dc4d | 1617 | i = w83781d_read_value(data, W83781D_REG_VBAT); |
1da177e4 LT |
1618 | data->fan_div[0] |= (i >> 3) & 0x04; |
1619 | data->fan_div[1] |= (i >> 4) & 0x04; | |
7c7a5304 | 1620 | data->fan_div[2] |= (i >> 5) & 0x04; |
1da177e4 | 1621 | } |
1da177e4 | 1622 | if ((data->type == w83782d) || (data->type == w83627hf)) { |
31b8dc4d | 1623 | data->alarms = w83781d_read_value(data, |
c7f5d7ed | 1624 | W83782D_REG_ALARM1) |
31b8dc4d | 1625 | | (w83781d_read_value(data, |
c7f5d7ed | 1626 | W83782D_REG_ALARM2) << 8) |
31b8dc4d | 1627 | | (w83781d_read_value(data, |
c7f5d7ed JD |
1628 | W83782D_REG_ALARM3) << 16); |
1629 | } else if (data->type == w83783s) { | |
31b8dc4d | 1630 | data->alarms = w83781d_read_value(data, |
c7f5d7ed | 1631 | W83782D_REG_ALARM1) |
31b8dc4d | 1632 | | (w83781d_read_value(data, |
c7f5d7ed JD |
1633 | W83782D_REG_ALARM2) << 8); |
1634 | } else { | |
1635 | /* No real-time status registers, fall back to | |
1636 | interrupt status registers */ | |
31b8dc4d | 1637 | data->alarms = w83781d_read_value(data, |
c7f5d7ed | 1638 | W83781D_REG_ALARM1) |
31b8dc4d | 1639 | | (w83781d_read_value(data, |
c7f5d7ed | 1640 | W83781D_REG_ALARM2) << 8); |
1da177e4 | 1641 | } |
31b8dc4d | 1642 | i = w83781d_read_value(data, W83781D_REG_BEEP_INTS2); |
1da177e4 LT |
1643 | data->beep_enable = i >> 7; |
1644 | data->beep_mask = ((i & 0x7f) << 8) + | |
31b8dc4d | 1645 | w83781d_read_value(data, W83781D_REG_BEEP_INTS1); |
1da177e4 LT |
1646 | if ((data->type != w83781d) && (data->type != as99127f)) { |
1647 | data->beep_mask |= | |
31b8dc4d | 1648 | w83781d_read_value(data, |
1da177e4 LT |
1649 | W83781D_REG_BEEP_INTS3) << 16; |
1650 | } | |
1651 | data->last_updated = jiffies; | |
1652 | data->valid = 1; | |
1653 | } | |
1654 | ||
9a61bf63 | 1655 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1656 | |
1657 | return data; | |
1658 | } | |
1659 | ||
7666c13c JD |
1660 | /* return 1 if a supported chip is found, 0 otherwise */ |
1661 | static int __init | |
1662 | w83781d_isa_found(unsigned short address) | |
1663 | { | |
1664 | int val, save, found = 0; | |
1665 | ||
1666 | if (!request_region(address, W83781D_EXTENT, "w83781d")) | |
1667 | return 0; | |
1668 | ||
1669 | #define REALLY_SLOW_IO | |
1670 | /* We need the timeouts for at least some W83781D-like | |
1671 | chips. But only if we read 'undefined' registers. */ | |
1672 | val = inb_p(address + 1); | |
1673 | if (inb_p(address + 2) != val | |
1674 | || inb_p(address + 3) != val | |
1675 | || inb_p(address + 7) != val) { | |
1676 | pr_debug("w83781d: Detection failed at step 1\n"); | |
1677 | goto release; | |
1678 | } | |
1679 | #undef REALLY_SLOW_IO | |
1680 | ||
1681 | /* We should be able to change the 7 LSB of the address port. The | |
1682 | MSB (busy flag) should be clear initially, set after the write. */ | |
1683 | save = inb_p(address + W83781D_ADDR_REG_OFFSET); | |
1684 | if (save & 0x80) { | |
1685 | pr_debug("w83781d: Detection failed at step 2\n"); | |
1686 | goto release; | |
1687 | } | |
1688 | val = ~save & 0x7f; | |
1689 | outb_p(val, address + W83781D_ADDR_REG_OFFSET); | |
1690 | if (inb_p(address + W83781D_ADDR_REG_OFFSET) != (val | 0x80)) { | |
1691 | outb_p(save, address + W83781D_ADDR_REG_OFFSET); | |
1692 | pr_debug("w83781d: Detection failed at step 3\n"); | |
1693 | goto release; | |
1694 | } | |
1695 | ||
1696 | /* We found a device, now see if it could be a W83781D */ | |
1697 | outb_p(W83781D_REG_CONFIG, address + W83781D_ADDR_REG_OFFSET); | |
1698 | val = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1699 | if (val & 0x80) { | |
1700 | pr_debug("w83781d: Detection failed at step 4\n"); | |
1701 | goto release; | |
1702 | } | |
1703 | outb_p(W83781D_REG_BANK, address + W83781D_ADDR_REG_OFFSET); | |
1704 | save = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1705 | outb_p(W83781D_REG_CHIPMAN, address + W83781D_ADDR_REG_OFFSET); | |
1706 | val = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1707 | if ((!(save & 0x80) && (val != 0xa3)) | |
1708 | || ((save & 0x80) && (val != 0x5c))) { | |
1709 | pr_debug("w83781d: Detection failed at step 5\n"); | |
1710 | goto release; | |
1711 | } | |
1712 | outb_p(W83781D_REG_I2C_ADDR, address + W83781D_ADDR_REG_OFFSET); | |
1713 | val = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1714 | if (val < 0x03 || val > 0x77) { /* Not a valid I2C address */ | |
1715 | pr_debug("w83781d: Detection failed at step 6\n"); | |
1716 | goto release; | |
1717 | } | |
1718 | ||
1719 | /* The busy flag should be clear again */ | |
1720 | if (inb_p(address + W83781D_ADDR_REG_OFFSET) & 0x80) { | |
1721 | pr_debug("w83781d: Detection failed at step 7\n"); | |
1722 | goto release; | |
1723 | } | |
1724 | ||
1725 | /* Determine the chip type */ | |
1726 | outb_p(W83781D_REG_BANK, address + W83781D_ADDR_REG_OFFSET); | |
1727 | save = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1728 | outb_p(save & 0xf8, address + W83781D_DATA_REG_OFFSET); | |
1729 | outb_p(W83781D_REG_WCHIPID, address + W83781D_ADDR_REG_OFFSET); | |
1730 | val = inb_p(address + W83781D_DATA_REG_OFFSET); | |
1731 | if ((val & 0xfe) == 0x10 /* W83781D */ | |
1732 | || val == 0x30 /* W83782D */ | |
1733 | || val == 0x21) /* W83627HF */ | |
1734 | found = 1; | |
1735 | ||
1736 | if (found) | |
1737 | pr_info("w83781d: Found a %s chip at %#x\n", | |
1738 | val == 0x21 ? "W83627HF" : | |
1739 | val == 0x30 ? "W83782D" : "W83781D", (int)address); | |
1740 | ||
1741 | release: | |
1742 | release_region(address, W83781D_EXTENT); | |
1743 | return found; | |
1744 | } | |
1745 | ||
1746 | static int __init | |
1747 | w83781d_isa_device_add(unsigned short address) | |
1748 | { | |
1749 | struct resource res = { | |
1750 | .start = address, | |
15bde2f1 | 1751 | .end = address + W83781D_EXTENT - 1, |
7666c13c JD |
1752 | .name = "w83781d", |
1753 | .flags = IORESOURCE_IO, | |
1754 | }; | |
1755 | int err; | |
1756 | ||
1757 | pdev = platform_device_alloc("w83781d", address); | |
1758 | if (!pdev) { | |
1759 | err = -ENOMEM; | |
1760 | printk(KERN_ERR "w83781d: Device allocation failed\n"); | |
1761 | goto exit; | |
1762 | } | |
1763 | ||
1764 | err = platform_device_add_resources(pdev, &res, 1); | |
1765 | if (err) { | |
1766 | printk(KERN_ERR "w83781d: Device resource addition failed " | |
1767 | "(%d)\n", err); | |
1768 | goto exit_device_put; | |
1769 | } | |
1770 | ||
1771 | err = platform_device_add(pdev); | |
1772 | if (err) { | |
1773 | printk(KERN_ERR "w83781d: Device addition failed (%d)\n", | |
1774 | err); | |
1775 | goto exit_device_put; | |
1776 | } | |
1777 | ||
1778 | return 0; | |
1779 | ||
1780 | exit_device_put: | |
1781 | platform_device_put(pdev); | |
1782 | exit: | |
1783 | pdev = NULL; | |
1784 | return err; | |
1785 | } | |
1786 | ||
1da177e4 LT |
1787 | static int __init |
1788 | sensors_w83781d_init(void) | |
1789 | { | |
fde09509 JD |
1790 | int res; |
1791 | ||
1792 | res = i2c_add_driver(&w83781d_driver); | |
1793 | if (res) | |
7666c13c JD |
1794 | goto exit; |
1795 | ||
1796 | if (w83781d_isa_found(isa_address)) { | |
1797 | res = platform_driver_register(&w83781d_isa_driver); | |
1798 | if (res) | |
1799 | goto exit_unreg_i2c_driver; | |
fde09509 | 1800 | |
7666c13c JD |
1801 | /* Sets global pdev as a side effect */ |
1802 | res = w83781d_isa_device_add(isa_address); | |
1803 | if (res) | |
1804 | goto exit_unreg_isa_driver; | |
1805 | } | |
fde09509 JD |
1806 | |
1807 | return 0; | |
7666c13c JD |
1808 | |
1809 | exit_unreg_isa_driver: | |
1810 | platform_driver_unregister(&w83781d_isa_driver); | |
1811 | exit_unreg_i2c_driver: | |
1812 | i2c_del_driver(&w83781d_driver); | |
1813 | exit: | |
1814 | return res; | |
1da177e4 LT |
1815 | } |
1816 | ||
1817 | static void __exit | |
1818 | sensors_w83781d_exit(void) | |
1819 | { | |
7666c13c JD |
1820 | if (pdev) { |
1821 | platform_device_unregister(pdev); | |
1822 | platform_driver_unregister(&w83781d_isa_driver); | |
1823 | } | |
1da177e4 LT |
1824 | i2c_del_driver(&w83781d_driver); |
1825 | } | |
1826 | ||
1827 | MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " | |
1828 | "Philip Edelbrock <phil@netroedge.com>, " | |
1829 | "and Mark Studebaker <mdsxyz123@yahoo.com>"); | |
1830 | MODULE_DESCRIPTION("W83781D driver"); | |
1831 | MODULE_LICENSE("GPL"); | |
1832 | ||
1833 | module_init(sensors_w83781d_init); | |
1834 | module_exit(sensors_w83781d_exit); |