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lib: utils: Add MPXY RPMI mailbox driver for device power

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Add MPXY RPMI mailbox driver for device power.

Signed-off-by: Joshua Yeong <joshua.yeong@starfivetech.com>
Reviewed-by: Rahul Pathak <rpathak@ventanamicro.com>
Link: https://lore.kernel.org/r/20251013153138.1574512-3-joshua.yeong@starfivetech.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Joshua Yeong
2025-10-13 23:31:37 +08:00
committed by Anup Patel
parent fa911ebe72
commit a28e51016e
5 changed files with 109 additions and 0 deletions
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45
include/sbi_utils/mailbox/rpmi_msgprot.h
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@ -218,6 +218,7 @@ enum rpmi_servicegroup_id {
RPMI_SRVGRP_CPPC = 0x0006,
RPMI_SRVGRP_VOLTAGE = 0x00007,
RPMI_SRVGRP_CLOCK = 0x0008,
RPMI_SRVGRP_DEVICE_POWER = 0x0009,
RPMI_SRVGRP_ID_MAX_COUNT,
/* Reserved range for service groups */
@ -784,4 +785,48 @@ struct rpmi_clock_get_rate_resp {
u32 clock_rate_high;
};
/** RPMI Device Power ServiceGroup Service IDs */
enum rpmi_dpwr_service_id {
RPMI_DPWR_SRV_ENABLE_NOTIFICATION = 0x01,
RPMI_DPWR_SRV_GET_NUM_DOMAINS = 0x02,
RPMI_DPWR_SRV_GET_ATTRIBUTES = 0x03,
RPMI_DPWR_SRV_SET_STATE = 0x04,
RPMI_DPWR_SRV_GET_STATE = 0x05,
RPMI_DPWR_SRV_MAX_COUNT,
};
struct rpmi_dpwr_get_num_domain_resp {
s32 status;
u32 num_domain;
};
struct rpmi_dpwr_get_attrs_req {
u32 domain_id;
};
struct rpmi_dpwr_get_attrs_resp {
s32 status;
u32 flags;
u32 transition_latency;
u8 name[16];
};
struct rpmi_dpwr_set_state_req {
u32 domain_id;
u32 state;
};
struct rpmi_dpwr_set_state_resp {
s32 status;
};
struct rpmi_dpwr_get_state_req {
u32 domain_id;
};
struct rpmi_dpwr_get_state_resp {
s32 status;
u32 state;
};
#endif /* !__RPMI_MSGPROT_H__ */