linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / drivers / hwmon / hwmon-vid.c

diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c
index 9d67320..e497274 100644 (file)
--- a/drivers/hwmon/hwmon-vid.c
+++ b/drivers/hwmon/hwmon-vid.c
@@ -22,6 +22,7 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/hwmon-vid.h>
@@ -53,24 +54,11 @@
     (IMVP-II). You can find more information in the datasheet of Max1718
     http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2452
 
-    The 13 specification corresponds to the Intel Pentium M series. There
-    doesn't seem to be any named specification for these. The conversion
-    tables are detailed directly in the various Pentium M datasheets:
-    http://www.intel.com/design/intarch/pentiumm/docs_pentiumm.htm
-
-    The 14 specification corresponds to Intel Core series. There
-    doesn't seem to be any named specification for these. The conversion
-    tables are detailed directly in the various Pentium Core datasheets:
-    http://www.intel.com/design/mobile/datashts/309221.htm
-
-    The 110 (VRM 11) specification corresponds to Intel Conroe based series.
-    http://www.intel.com/design/processor/applnots/313214.htm
 */
 
 /* vrm is the VRM/VRD document version multiplied by 10.
-   val is the 4-bit or more VID code.
-   Returned value is in mV to avoid floating point in the kernel.
-   Some VID have some bits in uV scale, this is rounded to mV */
+   val is the 4-, 5- or 6-bit VID code.
+   Returned value is in mV to avoid floating point in the kernel. */
 int vid_from_reg(int val, u8 vrm)
 {
        int vid;
@@ -78,36 +66,26 @@ int vid_from_reg(int val, u8 vrm)
        switch(vrm) {
 
        case 100:               /* VRD 10.0 */
-               /* compute in uV, round to mV */
-               val &= 0x3f;
                if((val & 0x1f) == 0x1f)
                        return 0;
                if((val & 0x1f) <= 0x09 || val == 0x0a)
-                       vid = 1087500 - (val & 0x1f) * 25000;
+                       vid = 10875 - (val & 0x1f) * 250;
                else
-                       vid = 1862500 - (val & 0x1f) * 25000;
+                       vid = 18625 - (val & 0x1f) * 250;
                if(val & 0x20)
-                       vid -= 12500;
-               return((vid + 500) / 1000);
+                       vid -= 125;
+               vid /= 10;      /* only return 3 dec. places for now */
+               return vid;
 
-       case 110:               /* Intel Conroe */
-                               /* compute in uV, round to mV */
-               val &= 0xff;
-               if(((val & 0x7e) == 0xfe) || (!(val & 0x7e)))
-                       return 0;
-               return((1600000 - (val - 2) * 6250 + 500) / 1000);
        case 24:                /* Opteron processor */
-               val &= 0x1f;
                return(val == 0x1f ? 0 : 1550 - val * 25);
 
        case 91:                /* VRM 9.1 */
        case 90:                /* VRM 9.0 */
-               val &= 0x1f;
                return(val == 0x1f ? 0 :
                                       1850 - val * 25);
 
        case 85:                /* VRM 8.5 */
-               val &= 0x1f;
                return((val & 0x10  ? 25 : 0) +
                       ((val & 0x0f) > 0x04 ? 2050 : 1250) -
                       ((val & 0x0f) * 50));
@@ -116,21 +94,12 @@ int vid_from_reg(int val, u8 vrm)
                val &= 0x0f;
                                /* fall through */
        case 82:                /* VRM 8.2 */
-               val &= 0x1f;
                return(val == 0x1f ? 0 :
                       val & 0x10  ? 5100 - (val) * 100 :
                                     2050 - (val) * 50);
        case 17:                /* Intel IMVP-II */
-               val &= 0x1f;
                return(val & 0x10 ? 975 - (val & 0xF) * 25 :
                                    1750 - val * 50);
-       case 13:
-               val &= 0x3f;
-               return(1708 - val * 16);
-       case 14:                /* Intel Core */
-                               /* compute in uV, round to mV */
-               val &= 0x7f;
-               return(val > 0x77 ? 0 : (1500000 - (val * 12500) + 500) / 1000);
        default:                /* report 0 for unknown */
                printk(KERN_INFO "hwmon-vid: requested unknown VRM version\n");
                return 0;
@@ -160,11 +129,8 @@ struct vrm_model {
 static struct vrm_model vrm_models[] = {
        {X86_VENDOR_AMD, 0x6, ANY, ANY, 90},            /* Athlon Duron etc */
        {X86_VENDOR_AMD, 0xF, ANY, ANY, 24},            /* Athlon 64, Opteron and above VRM 24 */
-       {X86_VENDOR_INTEL, 0x6, 0x9, ANY, 13},          /* Pentium M (130 nm) */
+       {X86_VENDOR_INTEL, 0x6, 0x9, ANY, 85},          /* 0.13um too */
        {X86_VENDOR_INTEL, 0x6, 0xB, ANY, 85},          /* Tualatin */
-       {X86_VENDOR_INTEL, 0x6, 0xD, ANY, 13},          /* Pentium M (90 nm) */
-       {X86_VENDOR_INTEL, 0x6, 0xE, ANY, 14},          /* Intel Core (65 nm) */
-       {X86_VENDOR_INTEL, 0x6, 0xF, ANY, 110},         /* Intel Conroe */
        {X86_VENDOR_INTEL, 0x6, ANY, ANY, 82},          /* any P6 */
        {X86_VENDOR_INTEL, 0x7, ANY, ANY, 0},           /* Itanium */
        {X86_VENDOR_INTEL, 0xF, 0x0, ANY, 90},          /* P4 */