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hwmon-vid: Add support for AMD family 11h to 15h processors

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Since family 11h processors, AMD is exclusively using 7-bit VID codes
transmitted using a serial protocol over two pins (clock and data.)

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: David Hubbard <david.c.hubbard@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Jean Delvare 2012-12-19 22:17:02 +01:00 committed by Jean Delvare
parent 1952978478
commit c8ecd27da7
1 changed files with 10 additions and 0 deletions
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10
drivers/hwmon/hwmon-vid.c
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@ -115,6 +115,12 @@ int vid_from_reg(int val, u8 vrm)
return (val < 32) ? 1550 - 25 * val
: 775 - (25 * (val - 31)) / 2;
case 26: /* AMD family 10h to 15h, serial VID */
val &= 0x7f;
if (val >= 0x7c)
return 0;
return DIV_ROUND_CLOSEST(15500 - 125 * val, 10);
case 91: /* VRM 9.1 */
case 90: /* VRM 9.0 */
val &= 0x1f;
@ -195,6 +201,10 @@ static struct vrm_model vrm_models[] = {
{X86_VENDOR_AMD, 0xF, 0x40, 0x7F, ANY, 24}, /* NPT family 0Fh */
{X86_VENDOR_AMD, 0xF, 0x80, ANY, ANY, 25}, /* future fam. 0Fh */
{X86_VENDOR_AMD, 0x10, 0x0, ANY, ANY, 25}, /* NPT family 10h */
{X86_VENDOR_AMD, 0x11, 0x0, ANY, ANY, 26}, /* family 11h */
{X86_VENDOR_AMD, 0x12, 0x0, ANY, ANY, 26}, /* family 12h */
{X86_VENDOR_AMD, 0x14, 0x0, ANY, ANY, 26}, /* family 14h */
{X86_VENDOR_AMD, 0x15, 0x0, ANY, ANY, 26}, /* family 15h */
{X86_VENDOR_INTEL, 0x6, 0x0, 0x6, ANY, 82}, /* Pentium Pro,
* Pentium II, Xeon,