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authorDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-07-02 13:39:09 +0100
committerDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-07-02 13:39:09 +0100
commitd2f6409584e2c62ffad81690562330ff3bf4a458 (patch)
tree3bdfb97d0b51be2f7f414f2107e97603c1206abb /drivers/i2c/chips/via686a.c
parente1b09eba2686eca94a3a188042b518df6044a3c1 (diff)
parent4a89a04f1ee21a7c1f4413f1ad7dcfac50ff9b63 (diff)
downloadop-kernel-dev-d2f6409584e2c62ffad81690562330ff3bf4a458.zip
op-kernel-dev-d2f6409584e2c62ffad81690562330ff3bf4a458.tar.gz
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'drivers/i2c/chips/via686a.c')
-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 6614a59..137d9b7 100644
--- a/drivers/i2c/chips/via686a.c
+++ b/drivers/i2c/chips/via686a.c
@@ -1,12 +1,12 @@
/*
via686a.c - Part of lm_sensors, Linux kernel modules
for hardware monitoring
-
+
Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
Kyösti Mälkki <kmalkki@cc.hut.fi>,
Mark Studebaker <mdsxyz123@yahoo.com>,
and Bob Dougherty <bobd@stanford.edu>
- (Some conversion-factor data were contributed by Jonathan Teh Soon Yew
+ (Some conversion-factor data were contributed by Jonathan Teh Soon Yew
<j.teh@iname.com> and Alex van Kaam <darkside@chello.nl>.)
This program is free software; you can redistribute it and/or modify
@@ -30,11 +30,9 @@
Warning - only supports a single device.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/pci.h>
-#include <linux/delay.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
@@ -66,49 +64,46 @@ SENSORS_INSMOD_1(via686a);
/* Many VIA686A constants specified below */
/* Length of ISA address segment */
-#define VIA686A_EXTENT 0x80
-#define VIA686A_BASE_REG 0x70
-#define VIA686A_ENABLE_REG 0x74
+#define VIA686A_EXTENT 0x80
+#define VIA686A_BASE_REG 0x70
+#define VIA686A_ENABLE_REG 0x74
/* The VIA686A registers */
/* ins numbered 0-4 */
-#define VIA686A_REG_IN_MAX(nr) (0x2b + ((nr) * 2))
-#define VIA686A_REG_IN_MIN(nr) (0x2c + ((nr) * 2))
-#define VIA686A_REG_IN(nr) (0x22 + (nr))
+#define VIA686A_REG_IN_MAX(nr) (0x2b + ((nr) * 2))
+#define VIA686A_REG_IN_MIN(nr) (0x2c + ((nr) * 2))
+#define VIA686A_REG_IN(nr) (0x22 + (nr))
/* fans numbered 1-2 */
-#define VIA686A_REG_FAN_MIN(nr) (0x3a + (nr))
-#define VIA686A_REG_FAN(nr) (0x28 + (nr))
-
-/* the following values are as speced by VIA: */
-static const u8 regtemp[] = { 0x20, 0x21, 0x1f };
-static const u8 regover[] = { 0x39, 0x3d, 0x1d };
-static const u8 reghyst[] = { 0x3a, 0x3e, 0x1e };
+#define VIA686A_REG_FAN_MIN(nr) (0x3a + (nr))
+#define VIA686A_REG_FAN(nr) (0x28 + (nr))
/* temps numbered 1-3 */
-#define VIA686A_REG_TEMP(nr) (regtemp[nr])
-#define VIA686A_REG_TEMP_OVER(nr) (regover[nr])
-#define VIA686A_REG_TEMP_HYST(nr) (reghyst[nr])
-#define VIA686A_REG_TEMP_LOW1 0x4b // bits 7-6
-#define VIA686A_REG_TEMP_LOW23 0x49 // 2 = bits 5-4, 3 = bits 7-6
-
-#define VIA686A_REG_ALARM1 0x41
-#define VIA686A_REG_ALARM2 0x42
-#define VIA686A_REG_FANDIV 0x47
-#define VIA686A_REG_CONFIG 0x40
-/* The following register sets temp interrupt mode (bits 1-0 for temp1,
+static const u8 VIA686A_REG_TEMP[] = { 0x20, 0x21, 0x1f };
+static const u8 VIA686A_REG_TEMP_OVER[] = { 0x39, 0x3d, 0x1d };
+static const u8 VIA686A_REG_TEMP_HYST[] = { 0x3a, 0x3e, 0x1e };
+/* bits 7-6 */
+#define VIA686A_REG_TEMP_LOW1 0x4b
+/* 2 = bits 5-4, 3 = bits 7-6 */
+#define VIA686A_REG_TEMP_LOW23 0x49
+
+#define VIA686A_REG_ALARM1 0x41
+#define VIA686A_REG_ALARM2 0x42
+#define VIA686A_REG_FANDIV 0x47
+#define VIA686A_REG_CONFIG 0x40
+/* The following register sets temp interrupt mode (bits 1-0 for temp1,
3-2 for temp2, 5-4 for temp3). Modes are:
00 interrupt stays as long as value is out-of-range
01 interrupt is cleared once register is read (default)
10 comparator mode- like 00, but ignores hysteresis
11 same as 00 */
-#define VIA686A_REG_TEMP_MODE 0x4b
+#define VIA686A_REG_TEMP_MODE 0x4b
/* We'll just assume that you want to set all 3 simultaneously: */
-#define VIA686A_TEMP_MODE_MASK 0x3F
-#define VIA686A_TEMP_MODE_CONTINUOUS (0x00)
+#define VIA686A_TEMP_MODE_MASK 0x3F
+#define VIA686A_TEMP_MODE_CONTINUOUS 0x00
/* Conversions. Limit checking is only done on the TO_REG
- variants.
+ variants.
********* VOLTAGE CONVERSIONS (Bob Dougherty) ********
From HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew):
@@ -121,7 +116,7 @@ static const u8 reghyst[] = { 0x3a, 0x3e, 0x1e };
That is:
volts = (25*regVal+133)*factor
regVal = (volts/factor-133)/25
- (These conversions were contributed by Jonathan Teh Soon Yew
+ (These conversions were contributed by Jonathan Teh Soon Yew
<j.teh@iname.com>) */
static inline u8 IN_TO_REG(long val, int inNum)
{
@@ -182,55 +177,55 @@ static inline u8 FAN_TO_REG(long rpm, int div)
else
return double(temp)*0.924-127.33;
- A fifth-order polynomial fits the unofficial data (provided by Alex van
- Kaam <darkside@chello.nl>) a bit better. It also give more reasonable
- numbers on my machine (ie. they agree with what my BIOS tells me).
+ A fifth-order polynomial fits the unofficial data (provided by Alex van
+ Kaam <darkside@chello.nl>) a bit better. It also give more reasonable
+ numbers on my machine (ie. they agree with what my BIOS tells me).
Here's the fifth-order fit to the 8-bit data:
- temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 -
+ temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 -
2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0.
- (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for
+ (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for
finding my typos in this formula!)
- Alas, none of the elegant function-fit solutions will work because we
- aren't allowed to use floating point in the kernel and doing it with
- integers doesn't rpovide enough precision. So we'll do boring old
- look-up table stuff. The unofficial data (see below) have effectively
- 7-bit resolution (they are rounded to the nearest degree). I'm assuming
- that the transfer function of the device is monotonic and smooth, so a
- smooth function fit to the data will allow us to get better precision.
+ Alas, none of the elegant function-fit solutions will work because we
+ aren't allowed to use floating point in the kernel and doing it with
+ integers doesn't provide enough precision. So we'll do boring old
+ look-up table stuff. The unofficial data (see below) have effectively
+ 7-bit resolution (they are rounded to the nearest degree). I'm assuming
+ that the transfer function of the device is monotonic and smooth, so a
+ smooth function fit to the data will allow us to get better precision.
I used the 5th-order poly fit described above and solved for
- VIA register values 0-255. I *10 before rounding, so we get tenth-degree
- precision. (I could have done all 1024 values for our 10-bit readings,
- but the function is very linear in the useful range (0-80 deg C), so
- we'll just use linear interpolation for 10-bit readings.) So, tempLUT
+ VIA register values 0-255. I *10 before rounding, so we get tenth-degree
+ precision. (I could have done all 1024 values for our 10-bit readings,
+ but the function is very linear in the useful range (0-80 deg C), so
+ we'll just use linear interpolation for 10-bit readings.) So, tempLUT
is the temp at via register values 0-255: */
static const long tempLUT[] =
- { -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
- -503, -487, -471, -456, -442, -428, -414, -400, -387, -375,
- -362, -350, -339, -327, -316, -305, -295, -285, -275, -265,
- -255, -246, -237, -229, -220, -212, -204, -196, -188, -180,
- -173, -166, -159, -152, -145, -139, -132, -126, -120, -114,
- -108, -102, -96, -91, -85, -80, -74, -69, -64, -59, -54, -49,
- -44, -39, -34, -29, -25, -20, -15, -11, -6, -2, 3, 7, 12, 16,
- 20, 25, 29, 33, 37, 42, 46, 50, 54, 59, 63, 67, 71, 75, 79, 84,
- 88, 92, 96, 100, 104, 109, 113, 117, 121, 125, 130, 134, 138,
- 142, 146, 151, 155, 159, 163, 168, 172, 176, 181, 185, 189,
- 193, 198, 202, 206, 211, 215, 219, 224, 228, 232, 237, 241,
- 245, 250, 254, 259, 263, 267, 272, 276, 281, 285, 290, 294,
- 299, 303, 307, 312, 316, 321, 325, 330, 334, 339, 344, 348,
- 353, 357, 362, 366, 371, 376, 380, 385, 390, 395, 399, 404,
- 409, 414, 419, 423, 428, 433, 438, 443, 449, 454, 459, 464,
- 469, 475, 480, 486, 491, 497, 502, 508, 514, 520, 526, 532,
- 538, 544, 551, 557, 564, 571, 578, 584, 592, 599, 606, 614,
- 621, 629, 637, 645, 654, 662, 671, 680, 689, 698, 708, 718,
- 728, 738, 749, 759, 770, 782, 793, 805, 818, 830, 843, 856,
- 870, 883, 898, 912, 927, 943, 958, 975, 991, 1008, 1026, 1044,
- 1062, 1081, 1101, 1121, 1141, 1162, 1184, 1206, 1229, 1252,
- 1276, 1301, 1326, 1352, 1378, 1406, 1434, 1462
+{ -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
+ -503, -487, -471, -456, -442, -428, -414, -400, -387, -375,
+ -362, -350, -339, -327, -316, -305, -295, -285, -275, -265,
+ -255, -246, -237, -229, -220, -212, -204, -196, -188, -180,
+ -173, -166, -159, -152, -145, -139, -132, -126, -120, -114,
+ -108, -102, -96, -91, -85, -80, -74, -69, -64, -59, -54, -49,
+ -44, -39, -34, -29, -25, -20, -15, -11, -6, -2, 3, 7, 12, 16,
+ 20, 25, 29, 33, 37, 42, 46, 50, 54, 59, 63, 67, 71, 75, 79, 84,
+ 88, 92, 96, 100, 104, 109, 113, 117, 121, 125, 130, 134, 138,
+ 142, 146, 151, 155, 159, 163, 168, 172, 176, 181, 185, 189,
+ 193, 198, 202, 206, 211, 215, 219, 224, 228, 232, 237, 241,
+ 245, 250, 254, 259, 263, 267, 272, 276, 281, 285, 290, 294,
+ 299, 303, 307, 312, 316, 321, 325, 330, 334, 339, 344, 348,
+ 353, 357, 362, 366, 371, 376, 380, 385, 390, 395, 399, 404,
+ 409, 414, 419, 423, 428, 433, 438, 443, 449, 454, 459, 464,
+ 469, 475, 480, 486, 491, 497, 502, 508, 514, 520, 526, 532,
+ 538, 544, 551, 557, 564, 571, 578, 584, 592, 599, 606, 614,
+ 621, 629, 637, 645, 654, 662, 671, 680, 689, 698, 708, 718,
+ 728, 738, 749, 759, 770, 782, 793, 805, 818, 830, 843, 856,
+ 870, 883, 898, 912, 927, 943, 958, 975, 991, 1008, 1026, 1044,
+ 1062, 1081, 1101, 1121, 1141, 1162, 1184, 1206, 1229, 1252,
+ 1276, 1301, 1326, 1352, 1378, 1406, 1434, 1462
};
-/* the original LUT values from Alex van Kaam <darkside@chello.nl>
+/* the original LUT values from Alex van Kaam <darkside@chello.nl>
(for via register values 12-240):
{-50,-49,-47,-45,-43,-41,-39,-38,-37,-35,-34,-33,-32,-31,
-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[] =
Here's the reverse LUT. I got it by doing a 6-th order poly fit (needed
- an extra term for a good fit to these inverse data!) and then
- solving for each temp value from -50 to 110 (the useable range for
- this chip). Here's the fit:
- viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4
+ an extra term for a good fit to these inverse data!) and then
+ solving for each temp value from -50 to 110 (the useable range for
+ this chip). Here's the fit:
+ viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4
- 2.525453e-04*val^3 + 1.424593e-02*val^2 + 2.148941e+00*val +7.275808e+01)
Note that n=161: */
static const u8 viaLUT[] =
- { 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23,
- 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40,
- 41, 43, 45, 46, 48, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66,
- 69, 71, 73, 75, 77, 79, 82, 84, 86, 88, 91, 93, 95, 98, 100,
- 103, 105, 107, 110, 112, 115, 117, 119, 122, 124, 126, 129,
- 131, 134, 136, 138, 140, 143, 145, 147, 150, 152, 154, 156,
- 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180,
- 182, 183, 185, 187, 188, 190, 192, 193, 195, 196, 198, 199,
- 200, 202, 203, 205, 206, 207, 208, 209, 210, 211, 212, 213,
- 214, 215, 216, 217, 218, 219, 220, 221, 222, 222, 223, 224,
- 225, 226, 226, 227, 228, 228, 229, 230, 230, 231, 232, 232,
- 233, 233, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239,
- 239, 240
+{ 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23,
+ 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40,
+ 41, 43, 45, 46, 48, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66,
+ 69, 71, 73, 75, 77, 79, 82, 84, 86, 88, 91, 93, 95, 98, 100,
+ 103, 105, 107, 110, 112, 115, 117, 119, 122, 124, 126, 129,
+ 131, 134, 136, 138, 140, 143, 145, 147, 150, 152, 154, 156,
+ 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180,
+ 182, 183, 185, 187, 188, 190, 192, 193, 195, 196, 198, 199,
+ 200, 202, 203, 205, 206, 207, 208, 209, 210, 211, 212, 213,
+ 214, 215, 216, 217, 218, 219, 220, 221, 222, 222, 223, 224,
+ 225, 226, 226, 227, 228, 228, 229, 230, 230, 231, 232, 232,
+ 233, 233, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239,
+ 239, 240
};
/* Converting temps to (8-bit) hyst and over registers
@@ -272,7 +267,7 @@ static const u8 viaLUT[] =
The +50 is because the temps start at -50 */
static inline u8 TEMP_TO_REG(long val)
{
- return viaLUT[val <= -50000 ? 0 : val >= 110000 ? 160 :
+ return viaLUT[val <= -50000 ? 0 : val >= 110000 ? 160 :
(val < 0 ? val - 500 : val + 500) / 1000 + 50];
}
@@ -291,11 +286,9 @@ static inline long TEMP_FROM_REG10(u16 val)
/* do some linear interpolation */
return (tempLUT[eightBits] * (4 - twoBits) +
- tempLUT[eightBits + 1] * twoBits) * 25;
+ tempLUT[eightBits + 1] * twoBits) * 25;
}
-#define ALARMS_FROM_REG(val) (val)
-
#define DIV_FROM_REG(val) (1 << (val))
#define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1)
@@ -358,54 +351,54 @@ static ssize_t show_in_max(struct device *dev, char *buf, int nr) {
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_max[nr], nr));
}
-static ssize_t set_in_min(struct device *dev, const char *buf,
+static ssize_t set_in_min(struct device *dev, const char *buf,
size_t count, int nr) {
struct i2c_client *client = to_i2c_client(dev);
struct via686a_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
- data->in_min[nr] = IN_TO_REG(val,nr);
- via686a_write_value(client, VIA686A_REG_IN_MIN(nr),
+ data->in_min[nr] = IN_TO_REG(val, nr);
+ via686a_write_value(client, VIA686A_REG_IN_MIN(nr),
data->in_min[nr]);
up(&data->update_lock);
return count;
}
-static ssize_t set_in_max(struct device *dev, const char *buf,
+static ssize_t set_in_max(struct device *dev, const char *buf,
size_t count, int nr) {
struct i2c_client *client = to_i2c_client(dev);
struct via686a_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
- data->in_max[nr] = IN_TO_REG(val,nr);
- via686a_write_value(client, VIA686A_REG_IN_MAX(nr),
+ data->in_max[nr] = IN_TO_REG(val, nr);
+ via686a_write_value(client, VIA686A_REG_IN_MAX(nr),
data->in_max[nr]);
up(&data->update_lock);
return count;
}
#define show_in_offset(offset) \
static ssize_t \
- show_in##offset (struct device *dev, char *buf) \
+ show_in##offset (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_in(dev, buf, offset); \
} \
static ssize_t \
- show_in##offset##_min (struct device *dev, char *buf) \
+ show_in##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_in_min(dev, buf, offset); \
} \
static ssize_t \
- show_in##offset##_max (struct device *dev, char *buf) \
+ show_in##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_in_max(dev, buf, offset); \
} \
-static ssize_t set_in##offset##_min (struct device *dev, \
+static ssize_t set_in##offset##_min (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_in_min(dev, buf, count, offset); \
} \
-static ssize_t set_in##offset##_max (struct device *dev, \
+static ssize_t set_in##offset##_max (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
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) {
struct via686a_data *data = via686a_update_device(dev);
return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_hyst[nr]));
}
-static ssize_t set_temp_over(struct device *dev, const char *buf,
+static ssize_t set_temp_over(struct device *dev, const char *buf,
size_t count, int nr) {
struct i2c_client *client = to_i2c_client(dev);
struct via686a_data *data = i2c_get_clientdata(client);
@@ -443,11 +436,12 @@ static ssize_t set_temp_over(struct device *dev, const char *buf,
down(&data->update_lock);
data->temp_over[nr] = TEMP_TO_REG(val);
- via686a_write_value(client, VIA686A_REG_TEMP_OVER(nr), data->temp_over[nr]);
+ via686a_write_value(client, VIA686A_REG_TEMP_OVER[nr],
+ data->temp_over[nr]);
up(&data->update_lock);
return count;
}
-static ssize_t set_temp_hyst(struct device *dev, const char *buf,
+static ssize_t set_temp_hyst(struct device *dev, const char *buf,
size_t count, int nr) {
struct i2c_client *client = to_i2c_client(dev);
struct via686a_data *data = i2c_get_clientdata(client);
@@ -455,31 +449,32 @@ static ssize_t set_temp_hyst(struct device *dev, const char *buf,
down(&data->update_lock);
data->temp_hyst[nr] = TEMP_TO_REG(val);
- via686a_write_value(client, VIA686A_REG_TEMP_HYST(nr), data->temp_hyst[nr]);
+ via686a_write_value(client, VIA686A_REG_TEMP_HYST[nr],
+ data->temp_hyst[nr]);
up(&data->update_lock);
return count;
}
#define show_temp_offset(offset) \
-static ssize_t show_temp_##offset (struct device *dev, char *buf) \
+static ssize_t show_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_temp(dev, buf, offset - 1); \
} \
static ssize_t \
-show_temp_##offset##_over (struct device *dev, char *buf) \
+show_temp_##offset##_over (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_temp_over(dev, buf, offset - 1); \
} \
static ssize_t \
-show_temp_##offset##_hyst (struct device *dev, char *buf) \
+show_temp_##offset##_hyst (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_temp_hyst(dev, buf, offset - 1); \
} \
-static ssize_t set_temp_##offset##_over (struct device *dev, \
+static ssize_t set_temp_##offset##_over (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_temp_over(dev, buf, count, offset - 1); \
} \
-static ssize_t set_temp_##offset##_hyst (struct device *dev, \
+static ssize_t set_temp_##offset##_hyst (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
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);\
static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
show_temp_##offset##_over, set_temp_##offset##_over); \
static DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \
- show_temp_##offset##_hyst, set_temp_##offset##_hyst);
+ show_temp_##offset##_hyst, set_temp_##offset##_hyst);
show_temp_offset(1);
show_temp_offset(2);
@@ -497,19 +492,19 @@ show_temp_offset(3);
/* 2 Fans */
static ssize_t show_fan(struct device *dev, char *buf, int nr) {
struct via686a_data *data = via686a_update_device(dev);
- return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr],
+ return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
DIV_FROM_REG(data->fan_div[nr])) );
}
static ssize_t show_fan_min(struct device *dev, char *buf, int nr) {
struct via686a_data *data = via686a_update_device(dev);
- return sprintf(buf,"%d\n",
+ return sprintf(buf, "%d\n",
FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])) );
}
static ssize_t show_fan_div(struct device *dev, char *buf, int nr) {
struct via686a_data *data = via686a_update_device(dev);
- return sprintf(buf,"%d\n", DIV_FROM_REG(data->fan_div[nr]) );
+ return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
}
-static ssize_t set_fan_min(struct device *dev, const char *buf,
+static ssize_t set_fan_min(struct device *dev, const char *buf,
size_t count, int nr) {
struct i2c_client *client = to_i2c_client(dev);
struct via686a_data *data = i2c_get_clientdata(client);
@@ -521,7 +516,7 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
up(&data->update_lock);
return count;
}
-static ssize_t set_fan_div(struct device *dev, const char *buf,
+static ssize_t set_fan_div(struct device *dev, const char *buf,
size_t count, int nr) {
struct i2c_client *client = to_i2c_client(dev);
struct via686a_data *data = i2c_get_clientdata(client);
@@ -538,24 +533,24 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
}
#define show_fan_offset(offset) \
-static ssize_t show_fan_##offset (struct device *dev, char *buf) \
+static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_fan(dev, buf, offset - 1); \
} \
-static ssize_t show_fan_##offset##_min (struct device *dev, char *buf) \
+static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_fan_min(dev, buf, offset - 1); \
} \
-static ssize_t show_fan_##offset##_div (struct device *dev, char *buf) \
+static ssize_t show_fan_##offset##_div (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_fan_div(dev, buf, offset - 1); \
} \
-static ssize_t set_fan_##offset##_min (struct device *dev, \
+static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_fan_min(dev, buf, count, offset - 1); \
} \
-static ssize_t set_fan_##offset##_div (struct device *dev, \
+static ssize_t set_fan_##offset##_div (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_fan_div(dev, buf, count, offset - 1); \
@@ -570,9 +565,9 @@ show_fan_offset(1);
show_fan_offset(2);
/* Alarms */
-static ssize_t show_alarms(struct device *dev, char *buf) {
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) {
struct via686a_data *data = via686a_update_device(dev);
- return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms));
+ return sprintf(buf, "%u\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
@@ -612,11 +607,12 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind)
}
/* 8231 requires multiple of 256, we enforce that on 686 as well */
- if(force_addr)
+ if (force_addr)
address = force_addr & 0xFF00;
- if(force_addr) {
- dev_warn(&adapter->dev,"forcing ISA address 0x%04X\n", address);
+ if (force_addr) {
+ dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n",
+ address);
if (PCIBIOS_SUCCESSFUL !=
pci_write_config_word(s_bridge, VIA686A_BASE_REG, address))
return -ENODEV;
@@ -625,17 +621,17 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind)
pci_read_config_word(s_bridge, VIA686A_ENABLE_REG, &val))
return -ENODEV;
if (!(val & 0x0001)) {
- dev_warn(&adapter->dev,"enabling sensors\n");
+ dev_warn(&adapter->dev, "enabling sensors\n");
if (PCIBIOS_SUCCESSFUL !=
pci_write_config_word(s_bridge, VIA686A_ENABLE_REG,
- val | 0x0001))
+ val | 0x0001))
return -ENODEV;
}
/* Reserve the ISA region */
if (!request_region(address, VIA686A_EXTENT, via686a_driver.name)) {
- dev_err(&adapter->dev,"region 0x%x already in use!\n",
- address);
+ dev_err(&adapter->dev, "region 0x%x already in use!\n",
+ address);
return -ENODEV;
}
@@ -660,7 +656,7 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind)
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
goto ERROR3;
-
+
/* Initialize the VIA686A chip */
via686a_init_client(new_client);
@@ -699,9 +695,9 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind)
return 0;
- ERROR3:
+ERROR3:
kfree(data);
- ERROR0:
+ERROR0:
release_region(address, VIA686A_EXTENT);
return err;
}
@@ -732,7 +728,7 @@ static void via686a_init_client(struct i2c_client *client)
via686a_write_value(client, VIA686A_REG_CONFIG, (reg|0x01)&0x7F);
/* Configure temp interrupt mode for continuous-interrupt operation */
- via686a_write_value(client, VIA686A_REG_TEMP_MODE,
+ via686a_write_value(client, VIA686A_REG_TEMP_MODE,
via686a_read_value(client, VIA686A_REG_TEMP_MODE) &
!(VIA686A_TEMP_MODE_MASK | VIA686A_TEMP_MODE_CONTINUOUS));
}
@@ -764,15 +760,15 @@ static struct via686a_data *via686a_update_device(struct device *dev)
}
for (i = 0; i <= 2; i++) {
data->temp[i] = via686a_read_value(client,
- VIA686A_REG_TEMP(i)) << 2;
+ VIA686A_REG_TEMP[i]) << 2;
data->temp_over[i] =
via686a_read_value(client,
- VIA686A_REG_TEMP_OVER(i));
+ VIA686A_REG_TEMP_OVER[i]);
data->temp_hyst[i] =
via686a_read_value(client,
- VIA686A_REG_TEMP_HYST(i));
+ VIA686A_REG_TEMP_HYST[i]);
}
- /* add in lower 2 bits
+ /* add in lower 2 bits
temp1 uses bits 7-6 of VIA686A_REG_TEMP_LOW1
temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23
temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23
@@ -804,35 +800,36 @@ static struct via686a_data *via686a_update_device(struct device *dev)
}
static struct pci_device_id via686a_pci_ids[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) },
- { 0, }
+ { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) },
+ { 0, }
};
MODULE_DEVICE_TABLE(pci, via686a_pci_ids);
static int __devinit via686a_pci_probe(struct pci_dev *dev,
- const struct pci_device_id *id)
+ const struct pci_device_id *id)
{
- u16 val;
- int addr = 0;
-
- if (PCIBIOS_SUCCESSFUL !=
- pci_read_config_word(dev, VIA686A_BASE_REG, &val))
- return -ENODEV;
-
- addr = val & ~(VIA686A_EXTENT - 1);
- if (addr == 0 && force_addr == 0) {
- dev_err(&dev->dev,"base address not set - upgrade BIOS or use force_addr=0xaddr\n");
- return -ENODEV;
- }
- if (force_addr)
- addr = force_addr; /* so detect will get called */
-
- if (!addr) {
- dev_err(&dev->dev,"No Via 686A sensors found.\n");
- return -ENODEV;
- }
- normal_isa[0] = addr;
+ u16 val;
+ int addr = 0;
+
+ if (PCIBIOS_SUCCESSFUL !=
+ pci_read_config_word(dev, VIA686A_BASE_REG, &val))
+ return -ENODEV;
+
+ addr = val & ~(VIA686A_EXTENT - 1);
+ if (addr == 0 && force_addr == 0) {
+ dev_err(&dev->dev, "base address not set - upgrade BIOS "
+ "or use force_addr=0xaddr\n");
+ return -ENODEV;
+ }
+ if (force_addr)
+ addr = force_addr; /* so detect will get called */
+
+ if (!addr) {
+ dev_err(&dev->dev, "No Via 686A sensors found.\n");
+ return -ENODEV;
+ }
+ normal_isa[0] = addr;
s_bridge = pci_dev_get(dev);
if (i2c_add_driver(&via686a_driver)) {
@@ -848,14 +845,14 @@ static int __devinit via686a_pci_probe(struct pci_dev *dev,
}
static struct pci_driver via686a_pci_driver = {
- .name = "via686a",
- .id_table = via686a_pci_ids,
- .probe = via686a_pci_probe,
+ .name = "via686a",
+ .id_table = via686a_pci_ids,
+ .probe = via686a_pci_probe,
};
static int __init sm_via686a_init(void)
{
- return pci_register_driver(&via686a_pci_driver);
+ return pci_register_driver(&via686a_pci_driver);
}
static void __exit sm_via686a_exit(void)
@@ -869,8 +866,8 @@ static void __exit sm_via686a_exit(void)
}
MODULE_AUTHOR("Kyösti Mälkki <kmalkki@cc.hut.fi>, "
- "Mark Studebaker <mdsxyz123@yahoo.com> "
- "and Bob Dougherty <bobd@stanford.edu>");
+ "Mark Studebaker <mdsxyz123@yahoo.com> "
+ "and Bob Dougherty <bobd@stanford.edu>");
MODULE_DESCRIPTION("VIA 686A Sensor device");
MODULE_LICENSE("GPL");
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