/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include /* Value defined in Serial VID Interface 3.0 spec (#56413, NDA only) */ #define SERIAL_VID_3_DECODE_MICROVOLTS 5000 #define SERIAL_VID_3_BASE_MICROVOLTS 245000L uint32_t get_uvolts_from_vid(uint16_t core_vid) { if (core_vid == 0x00) { /* Voltage off for VID code 0x00 */ return 0; } else { return SERIAL_VID_3_BASE_MICROVOLTS + (SERIAL_VID_3_DECODE_MICROVOLTS * core_vid); } } uint32_t get_pstate_core_uvolts(union pstate_msr pstate_reg) { return get_uvolts_from_vid(pstate_reg.cpu_vid_0_7 | pstate_reg.cpu_vid_8 << 8); }