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authorJean Delvare <khali@linux-fr.org>2009-06-15 16:39:50 (GMT)
committerJean Delvare <khali@linux-fr.org>2009-06-15 16:39:50 (GMT)
commitc1e48dce05ff06266cdfd0cba55fc5367cd499a5 (patch)
treec46ba5f97e6079bc9c897b50a40e640f88951386
parentcd4e96c5dd4a72bdc54ea9981e02465708c204d3 (diff)
downloadlinux-c1e48dce05ff06266cdfd0cba55fc5367cd499a5.tar.xz
hwmon: (w83627ehf) Add W83627DHG-P support
Add support for the new incarnation of the Winbond/Nuvoton W83627DHG chip known as W83627DHG-P. It is basically the same as the original W83627DHG with an additional automatic can speed control mode (not supported by the driver yet.) Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Madhu <madhu.chinakonda@gmail.com>
-rw-r--r--Documentation/hwmon/w83627ehf11
-rw-r--r--drivers/hwmon/w83627ehf.c10
2 files changed, 18 insertions, 3 deletions
diff --git a/Documentation/hwmon/w83627ehf b/Documentation/hwmon/w83627ehf
index b6eb593..02b7489 100644
--- a/Documentation/hwmon/w83627ehf
+++ b/Documentation/hwmon/w83627ehf
@@ -12,6 +12,10 @@ Supported chips:
Addresses scanned: ISA address retrieved from Super I/O registers
Datasheet:
http://www.nuvoton.com.tw/NR/rdonlyres/7885623D-A487-4CF9-A47F-30C5F73D6FE6/0/W83627DHG.pdf
+ * Winbond W83627DHG-P
+ Prefix: 'w83627dhg'
+ Addresses scanned: ISA address retrieved from Super I/O registers
+ Datasheet: not available
* Winbond W83667HG
Prefix: 'w83667hg'
Addresses scanned: ISA address retrieved from Super I/O registers
@@ -28,8 +32,8 @@ Description
-----------
This driver implements support for the Winbond W83627EHF, W83627EHG,
-W83627DHG and W83667HG super I/O chips. We will refer to them collectively
-as Winbond chips.
+W83627DHG, W83627DHG-P and W83667HG super I/O chips. We will refer to them
+collectively as Winbond chips.
The chips implement three temperature sensors, five fan rotation
speed sensors, ten analog voltage sensors (only nine for the 627DHG), one
@@ -135,3 +139,6 @@ done in the driver for all register addresses.
The DHG also supports PECI, where the DHG queries Intel CPU temperatures, and
the ICH8 southbridge gets that data via PECI from the DHG, so that the
southbridge drives the fans. And the DHG supports SST, a one-wire serial bus.
+
+The DHG-P has an additional automatic fan speed control mode named Smart Fan
+(TM) III+. This mode is not yet supported by the driver.
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index e64b420..0e97469 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -36,6 +36,7 @@
w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3
0x8860 0xa1
w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
+ w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
*/
@@ -53,12 +54,13 @@
#include <asm/io.h>
#include "lm75.h"
-enum kinds { w83627ehf, w83627dhg, w83667hg };
+enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg };
/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
static const char * w83627ehf_device_names[] = {
"w83627ehf",
"w83627dhg",
+ "w83627dhg",
"w83667hg",
};
@@ -86,6 +88,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
#define SIO_W83627EHF_ID 0x8850
#define SIO_W83627EHG_ID 0x8860
#define SIO_W83627DHG_ID 0xa020
+#define SIO_W83627DHG_P_ID 0xb070
#define SIO_W83667HG_ID 0xa510
#define SIO_ID_MASK 0xFFF0
@@ -1517,6 +1520,7 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
static const char __initdata sio_name_W83627EHF[] = "W83627EHF";
static const char __initdata sio_name_W83627EHG[] = "W83627EHG";
static const char __initdata sio_name_W83627DHG[] = "W83627DHG";
+ static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P";
static const char __initdata sio_name_W83667HG[] = "W83667HG";
u16 val;
@@ -1542,6 +1546,10 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
sio_data->kind = w83627dhg;
sio_name = sio_name_W83627DHG;
break;
+ case SIO_W83627DHG_P_ID:
+ sio_data->kind = w83627dhg_p;
+ sio_name = sio_name_W83627DHG_P;
+ break;
case SIO_W83667HG_ID:
sio_data->kind = w83667hg;
sio_name = sio_name_W83667HG;