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Commit c8ecd27d authored by Jean Delvare's avatar Jean Delvare Committed by Jean Delvare
Browse files

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



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: default avatarJean Delvare <khali@linux-fr.org>
Tested-by: default avatarDavid Hubbard <david.c.hubbard@gmail.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 19529784

drivers/hwmon/hwmon-vid.c

+10 −0
Original line number Diff line number Diff line
@@ -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,