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-rw-r--r--drivers/i2c/chips/via686a.c337
1 files changed, 167 insertions, 170 deletions
diff --git a/drivers/i2c/chips/via686a.c b/drivers/i2c/chips/via686a.c
index 6614a59cecd4..137d9b7cacd4 100644
--- a/drivers/i2c/chips/via686a.c
+++ b/drivers/i2c/chips/via686a.c
@@ -1,12 +1,12 @@
1/* 1/*
2 via686a.c - Part of lm_sensors, Linux kernel modules 2 via686a.c - Part of lm_sensors, Linux kernel modules
3 for hardware monitoring 3 for hardware monitoring
4 4
5 Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>, 5 Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
6 Kyösti Mälkki <kmalkki@cc.hut.fi>, 6 Kyösti Mälkki <kmalkki@cc.hut.fi>,
7 Mark Studebaker <mdsxyz123@yahoo.com>, 7 Mark Studebaker <mdsxyz123@yahoo.com>,
8 and Bob Dougherty <bobd@stanford.edu> 8 and Bob Dougherty <bobd@stanford.edu>
9 (Some conversion-factor data were contributed by Jonathan Teh Soon Yew 9 (Some conversion-factor data were contributed by Jonathan Teh Soon Yew
10 <j.teh@iname.com> and Alex van Kaam <darkside@chello.nl>.) 10 <j.teh@iname.com> and Alex van Kaam <darkside@chello.nl>.)
11 11
12 This program is free software; you can redistribute it and/or modify 12 This program is free software; you can redistribute it and/or modify
@@ -30,11 +30,9 @@
30 Warning - only supports a single device. 30 Warning - only supports a single device.
31*/ 31*/
32 32
33#include <linux/config.h>
34#include <linux/module.h> 33#include <linux/module.h>
35#include <linux/slab.h> 34#include <linux/slab.h>
36#include <linux/pci.h> 35#include <linux/pci.h>
37#include <linux/delay.h>
38#include <linux/jiffies.h> 36#include <linux/jiffies.h>
39#include <linux/i2c.h> 37#include <linux/i2c.h>
40#include <linux/i2c-sensor.h> 38#include <linux/i2c-sensor.h>
@@ -66,49 +64,46 @@ SENSORS_INSMOD_1(via686a);
66/* Many VIA686A constants specified below */ 64/* Many VIA686A constants specified below */
67 65
68/* Length of ISA address segment */ 66/* Length of ISA address segment */
69#define VIA686A_EXTENT 0x80 67#define VIA686A_EXTENT 0x80
70#define VIA686A_BASE_REG 0x70 68#define VIA686A_BASE_REG 0x70
71#define VIA686A_ENABLE_REG 0x74 69#define VIA686A_ENABLE_REG 0x74
72 70
73/* The VIA686A registers */ 71/* The VIA686A registers */
74/* ins numbered 0-4 */ 72/* ins numbered 0-4 */
75#define VIA686A_REG_IN_MAX(nr) (0x2b + ((nr) * 2)) 73#define VIA686A_REG_IN_MAX(nr) (0x2b + ((nr) * 2))
76#define VIA686A_REG_IN_MIN(nr) (0x2c + ((nr) * 2)) 74#define VIA686A_REG_IN_MIN(nr) (0x2c + ((nr) * 2))
77#define VIA686A_REG_IN(nr) (0x22 + (nr)) 75#define VIA686A_REG_IN(nr) (0x22 + (nr))
78 76
79/* fans numbered 1-2 */ 77/* fans numbered 1-2 */
80#define VIA686A_REG_FAN_MIN(nr) (0x3a + (nr)) 78#define VIA686A_REG_FAN_MIN(nr) (0x3a + (nr))
81#define VIA686A_REG_FAN(nr) (0x28 + (nr)) 79#define VIA686A_REG_FAN(nr) (0x28 + (nr))
82
83/* the following values are as speced by VIA: */
84static const u8 regtemp[] = { 0x20, 0x21, 0x1f };
85static const u8 regover[] = { 0x39, 0x3d, 0x1d };
86static const u8 reghyst[] = { 0x3a, 0x3e, 0x1e };
87 80
88/* temps numbered 1-3 */ 81/* temps numbered 1-3 */
89#define VIA686A_REG_TEMP(nr) (regtemp[nr]) 82static const u8 VIA686A_REG_TEMP[] = { 0x20, 0x21, 0x1f };
90#define VIA686A_REG_TEMP_OVER(nr) (regover[nr]) 83static const u8 VIA686A_REG_TEMP_OVER[] = { 0x39, 0x3d, 0x1d };
91#define VIA686A_REG_TEMP_HYST(nr) (reghyst[nr]) 84static const u8 VIA686A_REG_TEMP_HYST[] = { 0x3a, 0x3e, 0x1e };
92#define VIA686A_REG_TEMP_LOW1 0x4b // bits 7-6 85/* bits 7-6 */
93#define VIA686A_REG_TEMP_LOW23 0x49 // 2 = bits 5-4, 3 = bits 7-6 86#define VIA686A_REG_TEMP_LOW1 0x4b
94 87/* 2 = bits 5-4, 3 = bits 7-6 */
95#define VIA686A_REG_ALARM1 0x41 88#define VIA686A_REG_TEMP_LOW23 0x49
96#define VIA686A_REG_ALARM2 0x42 89
97#define VIA686A_REG_FANDIV 0x47 90#define VIA686A_REG_ALARM1 0x41
98#define VIA686A_REG_CONFIG 0x40 91#define VIA686A_REG_ALARM2 0x42
99/* The following register sets temp interrupt mode (bits 1-0 for temp1, 92#define VIA686A_REG_FANDIV 0x47
93#define VIA686A_REG_CONFIG 0x40
94/* The following register sets temp interrupt mode (bits 1-0 for temp1,
100 3-2 for temp2, 5-4 for temp3). Modes are: 95 3-2 for temp2, 5-4 for temp3). Modes are:
101 00 interrupt stays as long as value is out-of-range 96 00 interrupt stays as long as value is out-of-range
102 01 interrupt is cleared once register is read (default) 97 01 interrupt is cleared once register is read (default)
103 10 comparator mode- like 00, but ignores hysteresis 98 10 comparator mode- like 00, but ignores hysteresis
104 11 same as 00 */ 99 11 same as 00 */
105#define VIA686A_REG_TEMP_MODE 0x4b 100#define VIA686A_REG_TEMP_MODE 0x4b
106/* We'll just assume that you want to set all 3 simultaneously: */ 101/* We'll just assume that you want to set all 3 simultaneously: */
107#define VIA686A_TEMP_MODE_MASK 0x3F 102#define VIA686A_TEMP_MODE_MASK 0x3F
108#define VIA686A_TEMP_MODE_CONTINUOUS (0x00) 103#define VIA686A_TEMP_MODE_CONTINUOUS 0x00
109 104
110/* Conversions. Limit checking is only done on the TO_REG 105/* Conversions. Limit checking is only done on the TO_REG
111 variants. 106 variants.
112 107
113********* VOLTAGE CONVERSIONS (Bob Dougherty) ******** 108********* VOLTAGE CONVERSIONS (Bob Dougherty) ********
114 From HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew): 109 From HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew):
@@ -121,7 +116,7 @@ static const u8 reghyst[] = { 0x3a, 0x3e, 0x1e };
121 That is: 116 That is:
122 volts = (25*regVal+133)*factor 117 volts = (25*regVal+133)*factor
123 regVal = (volts/factor-133)/25 118 regVal = (volts/factor-133)/25
124 (These conversions were contributed by Jonathan Teh Soon Yew 119 (These conversions were contributed by Jonathan Teh Soon Yew
125 <j.teh@iname.com>) */ 120 <j.teh@iname.com>) */
126static inline u8 IN_TO_REG(long val, int inNum) 121static inline u8 IN_TO_REG(long val, int inNum)
127{ 122{
@@ -182,55 +177,55 @@ static inline u8 FAN_TO_REG(long rpm, int div)
182 else 177 else
183 return double(temp)*0.924-127.33; 178 return double(temp)*0.924-127.33;
184 179
185 A fifth-order polynomial fits the unofficial data (provided by Alex van 180 A fifth-order polynomial fits the unofficial data (provided by Alex van
186 Kaam <darkside@chello.nl>) a bit better. It also give more reasonable 181 Kaam <darkside@chello.nl>) a bit better. It also give more reasonable
187 numbers on my machine (ie. they agree with what my BIOS tells me). 182 numbers on my machine (ie. they agree with what my BIOS tells me).
188 Here's the fifth-order fit to the 8-bit data: 183 Here's the fifth-order fit to the 8-bit data:
189 temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 - 184 temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 -
190 2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0. 185 2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0.
191 186
192 (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for 187 (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for
193 finding my typos in this formula!) 188 finding my typos in this formula!)
194 189
195 Alas, none of the elegant function-fit solutions will work because we 190 Alas, none of the elegant function-fit solutions will work because we
196 aren't allowed to use floating point in the kernel and doing it with 191 aren't allowed to use floating point in the kernel and doing it with
197 integers doesn't rpovide enough precision. So we'll do boring old 192 integers doesn't provide enough precision. So we'll do boring old
198 look-up table stuff. The unofficial data (see below) have effectively 193 look-up table stuff. The unofficial data (see below) have effectively
199 7-bit resolution (they are rounded to the nearest degree). I'm assuming 194 7-bit resolution (they are rounded to the nearest degree). I'm assuming
200 that the transfer function of the device is monotonic and smooth, so a 195 that the transfer function of the device is monotonic and smooth, so a
201 smooth function fit to the data will allow us to get better precision. 196 smooth function fit to the data will allow us to get better precision.
202 I used the 5th-order poly fit described above and solved for 197 I used the 5th-order poly fit described above and solved for
203 VIA register values 0-255. I *10 before rounding, so we get tenth-degree 198 VIA register values 0-255. I *10 before rounding, so we get tenth-degree
204 precision. (I could have done all 1024 values for our 10-bit readings, 199 precision. (I could have done all 1024 values for our 10-bit readings,
205 but the function is very linear in the useful range (0-80 deg C), so 200 but the function is very linear in the useful range (0-80 deg C), so
206 we'll just use linear interpolation for 10-bit readings.) So, tempLUT 201 we'll just use linear interpolation for 10-bit readings.) So, tempLUT
207 is the temp at via register values 0-255: */ 202 is the temp at via register values 0-255: */
208static const long tempLUT[] = 203static const long tempLUT[] =
209 { -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519, 204{ -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
210 -503, -487, -471, -456, -442, -428, -414, -400, -387, -375, 205 -503, -487, -471, -456, -442, -428, -414, -400, -387, -375,
211 -362, -350, -339, -327, -316, -305, -295, -285, -275, -265, 206 -362, -350, -339, -327, -316, -305, -295, -285, -275, -265,
212 -255, -246, -237, -229, -220, -212, -204, -196, -188, -180, 207 -255, -246, -237, -229, -220, -212, -204, -196, -188, -180,
213 -173, -166, -159, -152, -145, -139, -132, -126, -120, -114, 208 -173, -166, -159, -152, -145, -139, -132, -126, -120, -114,
214 -108, -102, -96, -91, -85, -80, -74, -69, -64, -59, -54, -49, 209 -108, -102, -96, -91, -85, -80, -74, -69, -64, -59, -54, -49,
215 -44, -39, -34, -29, -25, -20, -15, -11, -6, -2, 3, 7, 12, 16, 210 -44, -39, -34, -29, -25, -20, -15, -11, -6, -2, 3, 7, 12, 16,
216 20, 25, 29, 33, 37, 42, 46, 50, 54, 59, 63, 67, 71, 75, 79, 84, 211 20, 25, 29, 33, 37, 42, 46, 50, 54, 59, 63, 67, 71, 75, 79, 84,
217 88, 92, 96, 100, 104, 109, 113, 117, 121, 125, 130, 134, 138, 212 88, 92, 96, 100, 104, 109, 113, 117, 121, 125, 130, 134, 138,
218 142, 146, 151, 155, 159, 163, 168, 172, 176, 181, 185, 189, 213 142, 146, 151, 155, 159, 163, 168, 172, 176, 181, 185, 189,
219 193, 198, 202, 206, 211, 215, 219, 224, 228, 232, 237, 241, 214 193, 198, 202, 206, 211, 215, 219, 224, 228, 232, 237, 241,
220 245, 250, 254, 259, 263, 267, 272, 276, 281, 285, 290, 294, 215 245, 250, 254, 259, 263, 267, 272, 276, 281, 285, 290, 294,
221 299, 303, 307, 312, 316, 321, 325, 330, 334, 339, 344, 348, 216 299, 303, 307, 312, 316, 321, 325, 330, 334, 339, 344, 348,
222 353, 357, 362, 366, 371, 376, 380, 385, 390, 395, 399, 404, 217 353, 357, 362, 366, 371, 376, 380, 385, 390, 395, 399, 404,
223 409, 414, 419, 423, 428, 433, 438, 443, 449, 454, 459, 464, 218 409, 414, 419, 423, 428, 433, 438, 443, 449, 454, 459, 464,
224 469, 475, 480, 486, 491, 497, 502, 508, 514, 520, 526, 532, 219 469, 475, 480, 486, 491, 497, 502, 508, 514, 520, 526, 532,
225 538, 544, 551, 557, 564, 571, 578, 584, 592, 599, 606, 614, 220 538, 544, 551, 557, 564, 571, 578, 584, 592, 599, 606, 614,
226 621, 629, 637, 645, 654, 662, 671, 680, 689, 698, 708, 718, 221 621, 629, 637, 645, 654, 662, 671, 680, 689, 698, 708, 718,
227 728, 738, 749, 759, 770, 782, 793, 805, 818, 830, 843, 856, 222 728, 738, 749, 759, 770, 782, 793, 805, 818, 830, 843, 856,
228 870, 883, 898, 912, 927, 943, 958, 975, 991, 1008, 1026, 1044, 223 870, 883, 898, 912, 927, 943, 958, 975, 991, 1008, 1026, 1044,
229 1062, 1081, 1101, 1121, 1141, 1162, 1184, 1206, 1229, 1252, 224 1062, 1081, 1101, 1121, 1141, 1162, 1184, 1206, 1229, 1252,
230 1276, 1301, 1326, 1352, 1378, 1406, 1434, 1462 225 1276, 1301, 1326, 1352, 1378, 1406, 1434, 1462
231}; 226};
232 227
233/* the original LUT values from Alex van Kaam <darkside@chello.nl> 228/* the original LUT values from Alex van Kaam <darkside@chello.nl>
234 (for via register values 12-240): 229 (for via register values 12-240):
235{-50,-49,-47,-45,-43,-41,-39,-38,-37,-35,-34,-33,-32,-31, 230{-50,-49,-47,-45,-43,-41,-39,-38,-37,-35,-34,-33,-32,-31,
236-30,-29,-28,-27,-26,-25,-24,-24,-23,-22,-21,-20,-20,-19,-18,-17,-17,-16,-15, 231-30,-29,-28,-27,-26,-25,-24,-24,-23,-22,-21,-20,-20,-19,-18,-17,-17,-16,-15,
@@ -245,26 +240,26 @@ static const long tempLUT[] =
245 240
246 241
247 Here's the reverse LUT. I got it by doing a 6-th order poly fit (needed 242 Here's the reverse LUT. I got it by doing a 6-th order poly fit (needed
248 an extra term for a good fit to these inverse data!) and then 243 an extra term for a good fit to these inverse data!) and then
249 solving for each temp value from -50 to 110 (the useable range for 244 solving for each temp value from -50 to 110 (the useable range for
250 this chip). Here's the fit: 245 this chip). Here's the fit:
251 viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4 246 viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4
252 - 2.525453e-04*val^3 + 1.424593e-02*val^2 + 2.148941e+00*val +7.275808e+01) 247 - 2.525453e-04*val^3 + 1.424593e-02*val^2 + 2.148941e+00*val +7.275808e+01)
253 Note that n=161: */ 248 Note that n=161: */
254static const u8 viaLUT[] = 249static const u8 viaLUT[] =
255 { 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23, 250{ 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23,
256 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40, 251 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40,
257 41, 43, 45, 46, 48, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66, 252 41, 43, 45, 46, 48, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66,
258 69, 71, 73, 75, 77, 79, 82, 84, 86, 88, 91, 93, 95, 98, 100, 253 69, 71, 73, 75, 77, 79, 82, 84, 86, 88, 91, 93, 95, 98, 100,
259 103, 105, 107, 110, 112, 115, 117, 119, 122, 124, 126, 129, 254 103, 105, 107, 110, 112, 115, 117, 119, 122, 124, 126, 129,
260 131, 134, 136, 138, 140, 143, 145, 147, 150, 152, 154, 156, 255 131, 134, 136, 138, 140, 143, 145, 147, 150, 152, 154, 156,
261 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180, 256 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180,
262 182, 183, 185, 187, 188, 190, 192, 193, 195, 196, 198, 199, 257 182, 183, 185, 187, 188, 190, 192, 193, 195, 196, 198, 199,
263 200, 202, 203, 205, 206, 207, 208, 209, 210, 211, 212, 213, 258 200, 202, 203, 205, 206, 207, 208, 209, 210, 211, 212, 213,
264 214, 215, 216, 217, 218, 219, 220, 221, 222, 222, 223, 224, 259 214, 215, 216, 217, 218, 219, 220, 221, 222, 222, 223, 224,
265 225, 226, 226, 227, 228, 228, 229, 230, 230, 231, 232, 232, 260 225, 226, 226, 227, 228, 228, 229, 230, 230, 231, 232, 232,
266 233, 233, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239, 261 233, 233, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239,
267 239, 240 262 239, 240
268}; 263};
269 264
270/* Converting temps to (8-bit) hyst and over registers 265/* Converting temps to (8-bit) hyst and over registers
@@ -272,7 +267,7 @@ static const u8 viaLUT[] =
272 The +50 is because the temps start at -50 */ 267 The +50 is because the temps start at -50 */
273static inline u8 TEMP_TO_REG(long val) 268static inline u8 TEMP_TO_REG(long val)
274{ 269{
275 return viaLUT[val <= -50000 ? 0 : val >= 110000 ? 160 : 270 return viaLUT[val <= -50000 ? 0 : val >= 110000 ? 160 :
276 (val < 0 ? val - 500 : val + 500) / 1000 + 50]; 271 (val < 0 ? val - 500 : val + 500) / 1000 + 50];
277} 272}
278 273
@@ -291,11 +286,9 @@ static inline long TEMP_FROM_REG10(u16 val)
291 286
292 /* do some linear interpolation */ 287 /* do some linear interpolation */
293 return (tempLUT[eightBits] * (4 - twoBits) + 288 return (tempLUT[eightBits] * (4 - twoBits) +
294 tempLUT[eightBits + 1] * twoBits) * 25; 289 tempLUT[eightBits + 1] * twoBits) * 25;
295} 290}
296 291
297#define ALARMS_FROM_REG(val) (val)
298
299#define DIV_FROM_REG(val) (1 << (val)) 292#define DIV_FROM_REG(val) (1 << (val))
300#define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1) 293#define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1)
301 294
@@ -358,54 +351,54 @@ static ssize_t show_in_max(struct device *dev, char *buf, int nr) {
358 return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_max[nr], nr)); 351 return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_max[nr], nr));
359} 352}
360 353
361static ssize_t set_in_min(struct device *dev, const char *buf, 354static ssize_t set_in_min(struct device *dev, const char *buf,
362 size_t count, int nr) { 355 size_t count, int nr) {
363 struct i2c_client *client = to_i2c_client(dev); 356 struct i2c_client *client = to_i2c_client(dev);
364 struct via686a_data *data = i2c_get_clientdata(client); 357 struct via686a_data *data = i2c_get_clientdata(client);
365 unsigned long val = simple_strtoul(buf, NULL, 10); 358 unsigned long val = simple_strtoul(buf, NULL, 10);
366 359
367 down(&data->update_lock); 360 down(&data->update_lock);
368 data->in_min[nr] = IN_TO_REG(val,nr); 361 data->in_min[nr] = IN_TO_REG(val, nr);
369 via686a_write_value(client, VIA686A_REG_IN_MIN(nr), 362 via686a_write_value(client, VIA686A_REG_IN_MIN(nr),
370 data->in_min[nr]); 363 data->in_min[nr]);
371 up(&data->update_lock); 364 up(&data->update_lock);
372 return count; 365 return count;
373} 366}
374static ssize_t set_in_max(struct device *dev, const char *buf, 367static ssize_t set_in_max(struct device *dev, const char *buf,
375 size_t count, int nr) { 368 size_t count, int nr) {
376 struct i2c_client *client = to_i2c_client(dev); 369 struct i2c_client *client = to_i2c_client(dev);
377 struct via686a_data *data = i2c_get_clientdata(client); 370 struct via686a_data *data = i2c_get_clientdata(client);
378 unsigned long val = simple_strtoul(buf, NULL, 10); 371 unsigned long val = simple_strtoul(buf, NULL, 10);
379 372
380 down(&data->update_lock); 373 down(&data->update_lock);
381 data->in_max[nr] = IN_TO_REG(val,nr); 374 data->in_max[nr] = IN_TO_REG(val, nr);
382 via686a_write_value(client, VIA686A_REG_IN_MAX(nr), 375 via686a_write_value(client, VIA686A_REG_IN_MAX(nr),
383 data->in_max[nr]); 376 data->in_max[nr]);
384 up(&data->update_lock); 377 up(&data->update_lock);
385 return count; 378 return count;
386} 379}
387#define show_in_offset(offset) \ 380#define show_in_offset(offset) \
388static ssize_t \ 381static ssize_t \
389 show_in##offset (struct device *dev, char *buf) \ 382 show_in##offset (struct device *dev, struct device_attribute *attr, char *buf) \
390{ \ 383{ \
391 return show_in(dev, buf, offset); \ 384 return show_in(dev, buf, offset); \
392} \ 385} \
393static ssize_t \ 386static ssize_t \
394 show_in##offset##_min (struct device *dev, char *buf) \ 387 show_in##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
395{ \ 388{ \
396 return show_in_min(dev, buf, offset); \ 389 return show_in_min(dev, buf, offset); \
397} \ 390} \
398static ssize_t \ 391static ssize_t \
399 show_in##offset##_max (struct device *dev, char *buf) \ 392 show_in##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \
400{ \ 393{ \
401 return show_in_max(dev, buf, offset); \ 394 return show_in_max(dev, buf, offset); \
402} \ 395} \
403static ssize_t set_in##offset##_min (struct device *dev, \ 396static ssize_t set_in##offset##_min (struct device *dev, struct device_attribute *attr, \
404 const char *buf, size_t count) \ 397 const char *buf, size_t count) \
405{ \ 398{ \
406 return set_in_min(dev, buf, count, offset); \ 399 return set_in_min(dev, buf, count, offset); \
407} \ 400} \
408static ssize_t set_in##offset##_max (struct device *dev, \ 401static ssize_t set_in##offset##_max (struct device *dev, struct device_attribute *attr, \
409 const char *buf, size_t count) \ 402 const char *buf, size_t count) \
410{ \ 403{ \
411 return set_in_max(dev, buf, count, offset); \ 404 return set_in_max(dev, buf, count, offset); \
@@ -435,7 +428,7 @@ static ssize_t show_temp_hyst(struct device *dev, char *buf, int nr) {
435 struct via686a_data *data = via686a_update_device(dev); 428 struct via686a_data *data = via686a_update_device(dev);
436 return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_hyst[nr])); 429 return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_hyst[nr]));
437} 430}
438static ssize_t set_temp_over(struct device *dev, const char *buf, 431static ssize_t set_temp_over(struct device *dev, const char *buf,
439 size_t count, int nr) { 432 size_t count, int nr) {
440 struct i2c_client *client = to_i2c_client(dev); 433 struct i2c_client *client = to_i2c_client(dev);
441 struct via686a_data *data = i2c_get_clientdata(client); 434 struct via686a_data *data = i2c_get_clientdata(client);
@@ -443,11 +436,12 @@ static ssize_t set_temp_over(struct device *dev, const char *buf,
443 436
444 down(&data->update_lock); 437 down(&data->update_lock);
445 data->temp_over[nr] = TEMP_TO_REG(val); 438 data->temp_over[nr] = TEMP_TO_REG(val);
446 via686a_write_value(client, VIA686A_REG_TEMP_OVER(nr), data->temp_over[nr]); 439 via686a_write_value(client, VIA686A_REG_TEMP_OVER[nr],
440 data->temp_over[nr]);
447 up(&data->update_lock); 441 up(&data->update_lock);
448 return count; 442 return count;
449} 443}
450static ssize_t set_temp_hyst(struct device *dev, const char *buf, 444static ssize_t set_temp_hyst(struct device *dev, const char *buf,
451 size_t count, int nr) { 445 size_t count, int nr) {
452 struct i2c_client *client = to_i2c_client(dev); 446 struct i2c_client *client = to_i2c_client(dev);
453 struct via686a_data *data = i2c_get_clientdata(client); 447 struct via686a_data *data = i2c_get_clientdata(client);
@@ -455,31 +449,32 @@ static ssize_t set_temp_hyst(struct device *dev, const char *buf,
455 449
456 down(&data->update_lock); 450 down(&data->update_lock);
457 data->temp_hyst[nr] = TEMP_TO_REG(val); 451 data->temp_hyst[nr] = TEMP_TO_REG(val);
458 via686a_write_value(client, VIA686A_REG_TEMP_HYST(nr), data->temp_hyst[nr]); 452 via686a_write_value(client, VIA686A_REG_TEMP_HYST[nr],
453 data->temp_hyst[nr]);
459 up(&data->update_lock); 454 up(&data->update_lock);
460 return count; 455 return count;
461} 456}
462#define show_temp_offset(offset) \ 457#define show_temp_offset(offset) \
463static ssize_t show_temp_##offset (struct device *dev, char *buf) \ 458static ssize_t show_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
464{ \ 459{ \
465 return show_temp(dev, buf, offset - 1); \ 460 return show_temp(dev, buf, offset - 1); \
466} \ 461} \
467static ssize_t \ 462static ssize_t \
468show_temp_##offset##_over (struct device *dev, char *buf) \ 463show_temp_##offset##_over (struct device *dev, struct device_attribute *attr, char *buf) \
469{ \ 464{ \
470 return show_temp_over(dev, buf, offset - 1); \ 465 return show_temp_over(dev, buf, offset - 1); \
471} \ 466} \
472static ssize_t \ 467static ssize_t \
473show_temp_##offset##_hyst (struct device *dev, char *buf) \ 468show_temp_##offset##_hyst (struct device *dev, struct device_attribute *attr, char *buf) \
474{ \ 469{ \
475 return show_temp_hyst(dev, buf, offset - 1); \ 470 return show_temp_hyst(dev, buf, offset - 1); \
476} \ 471} \
477static ssize_t set_temp_##offset##_over (struct device *dev, \ 472static ssize_t set_temp_##offset##_over (struct device *dev, struct device_attribute *attr, \
478 const char *buf, size_t count) \ 473 const char *buf, size_t count) \
479{ \ 474{ \
480 return set_temp_over(dev, buf, count, offset - 1); \ 475 return set_temp_over(dev, buf, count, offset - 1); \
481} \ 476} \
482static ssize_t set_temp_##offset##_hyst (struct device *dev, \ 477static ssize_t set_temp_##offset##_hyst (struct device *dev, struct device_attribute *attr, \
483 const char *buf, size_t count) \ 478 const char *buf, size_t count) \
484{ \ 479{ \
485 return set_temp_hyst(dev, buf, count, offset - 1); \ 480 return set_temp_hyst(dev, buf, count, offset - 1); \
@@ -488,7 +483,7 @@ static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, NULL);\
488static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ 483static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
489 show_temp_##offset##_over, set_temp_##offset##_over); \ 484 show_temp_##offset##_over, set_temp_##offset##_over); \
490static DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \ 485static DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \
491 show_temp_##offset##_hyst, set_temp_##offset##_hyst); 486 show_temp_##offset##_hyst, set_temp_##offset##_hyst);
492 487
493show_temp_offset(1); 488show_temp_offset(1);
494show_temp_offset(2); 489show_temp_offset(2);
@@ -497,19 +492,19 @@ show_temp_offset(3);
497/* 2 Fans */ 492/* 2 Fans */
498static ssize_t show_fan(struct device *dev, char *buf, int nr) { 493static ssize_t show_fan(struct device *dev, char *buf, int nr) {
499 struct via686a_data *data = via686a_update_device(dev); 494 struct via686a_data *data = via686a_update_device(dev);
500 return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr], 495 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
501 DIV_FROM_REG(data->fan_div[nr])) ); 496 DIV_FROM_REG(data->fan_div[nr])) );
502} 497}
503static ssize_t show_fan_min(struct device *dev, char *buf, int nr) { 498static ssize_t show_fan_min(struct device *dev, char *buf, int nr) {
504 struct via686a_data *data = via686a_update_device(dev); 499 struct via686a_data *data = via686a_update_device(dev);
505 return sprintf(buf,"%d\n", 500 return sprintf(buf, "%d\n",
506 FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])) ); 501 FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])) );
507} 502}
508static ssize_t show_fan_div(struct device *dev, char *buf, int nr) { 503static ssize_t show_fan_div(struct device *dev, char *buf, int nr) {
509 struct via686a_data *data = via686a_update_device(dev); 504 struct via686a_data *data = via686a_update_device(dev);
510 return sprintf(buf,"%d\n", DIV_FROM_REG(data->fan_div[nr]) ); 505 return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
511} 506}
512static ssize_t set_fan_min(struct device *dev, const char *buf, 507static ssize_t set_fan_min(struct device *dev, const char *buf,
513 size_t count, int nr) { 508 size_t count, int nr) {
514 struct i2c_client *client = to_i2c_client(dev); 509 struct i2c_client *client = to_i2c_client(dev);
515 struct via686a_data *data = i2c_get_clientdata(client); 510 struct via686a_data *data = i2c_get_clientdata(client);
@@ -521,7 +516,7 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
521 up(&data->update_lock); 516 up(&data->update_lock);
522 return count; 517 return count;
523} 518}
524static ssize_t set_fan_div(struct device *dev, const char *buf, 519static ssize_t set_fan_div(struct device *dev, const char *buf,
525 size_t count, int nr) { 520 size_t count, int nr) {
526 struct i2c_client *client = to_i2c_client(dev); 521 struct i2c_client *client = to_i2c_client(dev);
527 struct via686a_data *data = i2c_get_clientdata(client); 522 struct via686a_data *data = i2c_get_clientdata(client);
@@ -538,24 +533,24 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
538} 533}
539 534
540#define show_fan_offset(offset) \ 535#define show_fan_offset(offset) \
541static ssize_t show_fan_##offset (struct device *dev, char *buf) \ 536static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
542{ \ 537{ \
543 return show_fan(dev, buf, offset - 1); \ 538 return show_fan(dev, buf, offset - 1); \
544} \ 539} \
545static ssize_t show_fan_##offset##_min (struct device *dev, char *buf) \ 540static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
546{ \ 541{ \
547 return show_fan_min(dev, buf, offset - 1); \ 542 return show_fan_min(dev, buf, offset - 1); \
548} \ 543} \
549static ssize_t show_fan_##offset##_div (struct device *dev, char *buf) \ 544static ssize_t show_fan_##offset##_div (struct device *dev, struct device_attribute *attr, char *buf) \
550{ \ 545{ \
551 return show_fan_div(dev, buf, offset - 1); \ 546 return show_fan_div(dev, buf, offset - 1); \
552} \ 547} \
553static ssize_t set_fan_##offset##_min (struct device *dev, \ 548static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \
554 const char *buf, size_t count) \ 549 const char *buf, size_t count) \
555{ \ 550{ \
556 return set_fan_min(dev, buf, count, offset - 1); \ 551 return set_fan_min(dev, buf, count, offset - 1); \
557} \ 552} \
558static ssize_t set_fan_##offset##_div (struct device *dev, \ 553static ssize_t set_fan_##offset##_div (struct device *dev, struct device_attribute *attr, \
559 const char *buf, size_t count) \ 554 const char *buf, size_t count) \
560{ \ 555{ \
561 return set_fan_div(dev, buf, count, offset - 1); \ 556 return set_fan_div(dev, buf, count, offset - 1); \
@@ -570,9 +565,9 @@ show_fan_offset(1);
570show_fan_offset(2); 565show_fan_offset(2);
571 566
572/* Alarms */ 567/* Alarms */
573static ssize_t show_alarms(struct device *dev, char *buf) { 568static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) {
574 struct via686a_data *data = via686a_update_device(dev); 569 struct via686a_data *data = via686a_update_device(dev);
575 return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms)); 570 return sprintf(buf, "%u\n", data->alarms);
576} 571}
577static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); 572static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
578 573
@@ -612,11 +607,12 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind)
612 } 607 }
613 608
614 /* 8231 requires multiple of 256, we enforce that on 686 as well */ 609 /* 8231 requires multiple of 256, we enforce that on 686 as well */
615 if(force_addr) 610 if (force_addr)
616 address = force_addr & 0xFF00; 611 address = force_addr & 0xFF00;
617 612
618 if(force_addr) { 613 if (force_addr) {
619 dev_warn(&adapter->dev,"forcing ISA address 0x%04X\n", address); 614 dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n",
615 address);
620 if (PCIBIOS_SUCCESSFUL != 616 if (PCIBIOS_SUCCESSFUL !=
621 pci_write_config_word(s_bridge, VIA686A_BASE_REG, address)) 617 pci_write_config_word(s_bridge, VIA686A_BASE_REG, address))
622 return -ENODEV; 618 return -ENODEV;
@@ -625,17 +621,17 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind)
625 pci_read_config_word(s_bridge, VIA686A_ENABLE_REG, &val)) 621 pci_read_config_word(s_bridge, VIA686A_ENABLE_REG, &val))
626 return -ENODEV; 622 return -ENODEV;
627 if (!(val & 0x0001)) { 623 if (!(val & 0x0001)) {
628 dev_warn(&adapter->dev,"enabling sensors\n"); 624 dev_warn(&adapter->dev, "enabling sensors\n");
629 if (PCIBIOS_SUCCESSFUL != 625 if (PCIBIOS_SUCCESSFUL !=
630 pci_write_config_word(s_bridge, VIA686A_ENABLE_REG, 626 pci_write_config_word(s_bridge, VIA686A_ENABLE_REG,
631 val | 0x0001)) 627 val | 0x0001))
632 return -ENODEV; 628 return -ENODEV;
633 } 629 }
634 630
635 /* Reserve the ISA region */ 631 /* Reserve the ISA region */
636 if (!request_region(address, VIA686A_EXTENT, via686a_driver.name)) { 632 if (!request_region(address, VIA686A_EXTENT, via686a_driver.name)) {
637 dev_err(&adapter->dev,"region 0x%x already in use!\n", 633 dev_err(&adapter->dev, "region 0x%x already in use!\n",
638 address); 634 address);
639 return -ENODEV; 635 return -ENODEV;
640 } 636 }
641 637
@@ -660,7 +656,7 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind)
660 /* Tell the I2C layer a new client has arrived */ 656 /* Tell the I2C layer a new client has arrived */
661 if ((err = i2c_attach_client(new_client))) 657 if ((err = i2c_attach_client(new_client)))
662 goto ERROR3; 658 goto ERROR3;
663 659
664 /* Initialize the VIA686A chip */ 660 /* Initialize the VIA686A chip */
665 via686a_init_client(new_client); 661 via686a_init_client(new_client);
666 662
@@ -699,9 +695,9 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind)
699 695
700 return 0; 696 return 0;
701 697
702 ERROR3: 698ERROR3:
703 kfree(data); 699 kfree(data);
704 ERROR0: 700ERROR0:
705 release_region(address, VIA686A_EXTENT); 701 release_region(address, VIA686A_EXTENT);
706 return err; 702 return err;
707} 703}
@@ -732,7 +728,7 @@ static void via686a_init_client(struct i2c_client *client)
732 via686a_write_value(client, VIA686A_REG_CONFIG, (reg|0x01)&0x7F); 728 via686a_write_value(client, VIA686A_REG_CONFIG, (reg|0x01)&0x7F);
733 729
734 /* Configure temp interrupt mode for continuous-interrupt operation */ 730 /* Configure temp interrupt mode for continuous-interrupt operation */
735 via686a_write_value(client, VIA686A_REG_TEMP_MODE, 731 via686a_write_value(client, VIA686A_REG_TEMP_MODE,
736 via686a_read_value(client, VIA686A_REG_TEMP_MODE) & 732 via686a_read_value(client, VIA686A_REG_TEMP_MODE) &
737 !(VIA686A_TEMP_MODE_MASK | VIA686A_TEMP_MODE_CONTINUOUS)); 733 !(VIA686A_TEMP_MODE_MASK | VIA686A_TEMP_MODE_CONTINUOUS));
738} 734}
@@ -764,15 +760,15 @@ static struct via686a_data *via686a_update_device(struct device *dev)
764 } 760 }
765 for (i = 0; i <= 2; i++) { 761 for (i = 0; i <= 2; i++) {
766 data->temp[i] = via686a_read_value(client, 762 data->temp[i] = via686a_read_value(client,
767 VIA686A_REG_TEMP(i)) << 2; 763 VIA686A_REG_TEMP[i]) << 2;
768 data->temp_over[i] = 764 data->temp_over[i] =
769 via686a_read_value(client, 765 via686a_read_value(client,
770 VIA686A_REG_TEMP_OVER(i)); 766 VIA686A_REG_TEMP_OVER[i]);
771 data->temp_hyst[i] = 767 data->temp_hyst[i] =
772 via686a_read_value(client, 768 via686a_read_value(client,
773 VIA686A_REG_TEMP_HYST(i)); 769 VIA686A_REG_TEMP_HYST[i]);
774 } 770 }
775 /* add in lower 2 bits 771 /* add in lower 2 bits
776 temp1 uses bits 7-6 of VIA686A_REG_TEMP_LOW1 772 temp1 uses bits 7-6 of VIA686A_REG_TEMP_LOW1
777 temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23 773 temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23
778 temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23 774 temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23
@@ -804,35 +800,36 @@ static struct via686a_data *via686a_update_device(struct device *dev)
804} 800}
805 801
806static struct pci_device_id via686a_pci_ids[] = { 802static struct pci_device_id via686a_pci_ids[] = {
807 { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) }, 803 { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) },
808 { 0, } 804 { 0, }
809}; 805};
810 806
811MODULE_DEVICE_TABLE(pci, via686a_pci_ids); 807MODULE_DEVICE_TABLE(pci, via686a_pci_ids);
812 808
813static int __devinit via686a_pci_probe(struct pci_dev *dev, 809static int __devinit via686a_pci_probe(struct pci_dev *dev,
814 const struct pci_device_id *id) 810 const struct pci_device_id *id)
815{ 811{
816 u16 val; 812 u16 val;
817 int addr = 0; 813 int addr = 0;
818 814
819 if (PCIBIOS_SUCCESSFUL != 815 if (PCIBIOS_SUCCESSFUL !=
820 pci_read_config_word(dev, VIA686A_BASE_REG, &val)) 816 pci_read_config_word(dev, VIA686A_BASE_REG, &val))
821 return -ENODEV; 817 return -ENODEV;
822 818
823 addr = val & ~(VIA686A_EXTENT - 1); 819 addr = val & ~(VIA686A_EXTENT - 1);
824 if (addr == 0 && force_addr == 0) { 820 if (addr == 0 && force_addr == 0) {
825 dev_err(&dev->dev,"base address not set - upgrade BIOS or use force_addr=0xaddr\n"); 821 dev_err(&dev->dev, "base address not set - upgrade BIOS "
826 return -ENODEV; 822 "or use force_addr=0xaddr\n");
827 } 823 return -ENODEV;
828 if (force_addr) 824 }
829 addr = force_addr; /* so detect will get called */ 825 if (force_addr)
830 826 addr = force_addr; /* so detect will get called */
831 if (!addr) { 827
832 dev_err(&dev->dev,"No Via 686A sensors found.\n"); 828 if (!addr) {
833 return -ENODEV; 829 dev_err(&dev->dev, "No Via 686A sensors found.\n");
834 } 830 return -ENODEV;
835 normal_isa[0] = addr; 831 }
832 normal_isa[0] = addr;
836 833
837 s_bridge = pci_dev_get(dev); 834 s_bridge = pci_dev_get(dev);
838 if (i2c_add_driver(&via686a_driver)) { 835 if (i2c_add_driver(&via686a_driver)) {
@@ -848,14 +845,14 @@ static int __devinit via686a_pci_probe(struct pci_dev *dev,
848} 845}
849 846
850static struct pci_driver via686a_pci_driver = { 847static struct pci_driver via686a_pci_driver = {
851 .name = "via686a", 848 .name = "via686a",
852 .id_table = via686a_pci_ids, 849 .id_table = via686a_pci_ids,
853 .probe = via686a_pci_probe, 850 .probe = via686a_pci_probe,
854}; 851};
855 852
856static int __init sm_via686a_init(void) 853static int __init sm_via686a_init(void)
857{ 854{
858 return pci_register_driver(&via686a_pci_driver); 855 return pci_register_driver(&via686a_pci_driver);
859} 856}
860 857
861static void __exit sm_via686a_exit(void) 858static void __exit sm_via686a_exit(void)
@@ -869,8 +866,8 @@ static void __exit sm_via686a_exit(void)
869} 866}
870 867
871MODULE_AUTHOR("Kyösti Mälkki <kmalkki@cc.hut.fi>, " 868MODULE_AUTHOR("Kyösti Mälkki <kmalkki@cc.hut.fi>, "
872 "Mark Studebaker <mdsxyz123@yahoo.com> " 869 "Mark Studebaker <mdsxyz123@yahoo.com> "
873 "and Bob Dougherty <bobd@stanford.edu>"); 870 "and Bob Dougherty <bobd@stanford.edu>");
874MODULE_DESCRIPTION("VIA 686A Sensor device"); 871MODULE_DESCRIPTION("VIA 686A Sensor device");
875MODULE_LICENSE("GPL"); 872MODULE_LICENSE("GPL");
876 873