From fa911ebe72ec9f8b82947ebc99daf1d0ec2f53e2 Mon Sep 17 00:00:00 2001 From: Joshua Yeong Date: Mon, 13 Oct 2025 23:31:36 +0800 Subject: lib: utils: Add MPXY RPMI mailbox driver for voltage Add voltage service group for RPMI/MPXY support Signed-off-by: Joshua Yeong Reviewed-by: Rahul Pathak Link: https://lore.kernel.org/r/20251013153138.1574512-2-joshua.yeong@starfivetech.com Signed-off-by: Anup Patel --- include/sbi_utils/mailbox/rpmi_msgprot.h | 81 ++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) (limited to 'include') diff --git a/include/sbi_utils/mailbox/rpmi_msgprot.h b/include/sbi_utils/mailbox/rpmi_msgprot.h index a761b560..6b5a553c 100644 --- a/include/sbi_utils/mailbox/rpmi_msgprot.h +++ b/include/sbi_utils/mailbox/rpmi_msgprot.h @@ -216,6 +216,7 @@ enum rpmi_servicegroup_id { RPMI_SRVGRP_SYSTEM_SUSPEND = 0x0004, RPMI_SRVGRP_HSM = 0x0005, RPMI_SRVGRP_CPPC = 0x0006, + RPMI_SRVGRP_VOLTAGE = 0x00007, RPMI_SRVGRP_CLOCK = 0x0008, RPMI_SRVGRP_ID_MAX_COUNT, @@ -611,6 +612,86 @@ struct rpmi_cppc_hart_list_resp { u32 hartid[(RPMI_MSG_DATA_SIZE(RPMI_SLOT_SIZE_MIN) - (sizeof(u32) * 3)) / sizeof(u32)]; }; +/** RPMI Voltage ServiceGroup Service IDs */ +enum rpmi_voltage_service_id { + RPMI_VOLTAGE_SRV_ENABLE_NOTIFICATION = 0x01, + RPMI_VOLTAGE_SRV_GET_NUM_DOMAINS = 0x02, + RPMI_VOLTAGE_SRV_GET_ATTRIBUTES = 0x03, + RPMI_VOLTAGE_SRV_GET_SUPPORTED_LEVELS = 0x04, + RPMI_VOLTAGE_SRV_SET_CONFIG = 0x05, + RPMI_VOLTAGE_SRV_GET_CONFIG = 0x06, + RPMI_VOLTAGE_SRV_SET_LEVEL = 0x07, + RPMI_VOLTAGE_SRV_GET_LEVEL = 0x08, + RPMI_VOLTAGE_SRV_MAX_COUNT, +}; + +struct rpmi_voltage_get_num_domains_resp { + s32 status; + u32 num_domains; +}; + +struct rpmi_voltage_get_attributes_req { + u32 domain_id; +}; + +struct rpmi_voltage_get_attributes_resp { + s32 status; + u32 flags; + u32 num_levels; + u32 transition_latency; + u8 name[16]; +}; + +struct rpmi_voltage_get_supported_rate_req { + u32 domain_id; + u32 index; +}; + +struct rpmi_voltage_get_supported_rate_resp { + s32 status; + u32 flags; + u32 remaining; + u32 returned; + u32 level[0]; +}; + +struct rpmi_voltage_set_config_req { + u32 domain_id; +#define RPMI_CLOCK_CONFIG_ENABLE (1U << 0) + u32 config; +}; + +struct rpmi_voltage_set_config_resp { + s32 status; +}; + +struct rpmi_voltage_get_config_req { + u32 domain_id; +}; + +struct rpmi_voltage_get_config_resp { + s32 status; + u32 config; +}; + +struct rpmi_voltage_set_level_req { + u32 domain_id; + s32 level; +}; + +struct rpmi_voltage_set_level_resp { + s32 status; +}; + +struct rpmi_voltage_get_level_req { + u32 domain_id; +}; + +struct rpmi_voltage_get_level_resp { + s32 status; + s32 level; +}; + /** RPMI Clock ServiceGroup Service IDs */ enum rpmi_clock_service_id { RPMI_CLOCK_SRV_ENABLE_NOTIFICATION = 0x01, -- cgit v1.2.3