swh:1:snp:77163734605b0ec556b01d897b7bb4a7e30d46b6
Tip revision: da0c9ea146cbe92b832f1b0f694840ea8eb33cce authored by Linus Torvalds on 06 October 2019, 21:27:30 UTC
Linux 5.4-rc2
Linux 5.4-rc2
Tip revision: da0c9ea
tcs.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
*/
#ifndef __SOC_QCOM_TCS_H__
#define __SOC_QCOM_TCS_H__
#define MAX_RPMH_PAYLOAD 16
/**
* rpmh_state: state for the request
*
* RPMH_SLEEP_STATE: State of the resource when the processor subsystem
* is powered down. There is no client using the
* resource actively.
* RPMH_WAKE_ONLY_STATE: Resume resource state to the value previously
* requested before the processor was powered down.
* RPMH_ACTIVE_ONLY_STATE: Active or AMC mode requests. Resource state
* is aggregated immediately.
*/
enum rpmh_state {
RPMH_SLEEP_STATE,
RPMH_WAKE_ONLY_STATE,
RPMH_ACTIVE_ONLY_STATE,
};
/**
* struct tcs_cmd: an individual request to RPMH.
*
* @addr: the address of the resource slv_id:18:16 | offset:0:15
* @data: the resource state request
* @wait: wait for this request to be complete before sending the next
*/
struct tcs_cmd {
u32 addr;
u32 data;
u32 wait;
};
/**
* struct tcs_request: A set of tcs_cmds sent together in a TCS
*
* @state: state for the request.
* @wait_for_compl: wait until we get a response from the h/w accelerator
* @num_cmds: the number of @cmds in this request
* @cmds: an array of tcs_cmds
*/
struct tcs_request {
enum rpmh_state state;
u32 wait_for_compl;
u32 num_cmds;
struct tcs_cmd *cmds;
};
#define BCM_TCS_CMD_COMMIT_SHFT 30
#define BCM_TCS_CMD_COMMIT_MASK 0x40000000
#define BCM_TCS_CMD_VALID_SHFT 29
#define BCM_TCS_CMD_VALID_MASK 0x20000000
#define BCM_TCS_CMD_VOTE_X_SHFT 14
#define BCM_TCS_CMD_VOTE_MASK 0x3fff
#define BCM_TCS_CMD_VOTE_Y_SHFT 0
#define BCM_TCS_CMD_VOTE_Y_MASK 0xfffc000
/* Construct a Bus Clock Manager (BCM) specific TCS command */
#define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \
(((commit) << BCM_TCS_CMD_COMMIT_SHFT) | \
((valid) << BCM_TCS_CMD_VALID_SHFT) | \
((cpu_to_le32(vote_x) & \
BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) | \
((cpu_to_le32(vote_y) & \
BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT))
#endif /* __SOC_QCOM_TCS_H__ */