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6311b6521b
The macro to generate a Bus Controller Manager (BCM) TCS command is used by the interconnect driver but might also be interesting to other drivers that need to construct TCS commands for sub processors so move it out of the sdm845 specific file and into the header. Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Acked-by: Stephen Boyd <sboyd@kernel.org> Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef __SOC_QCOM_TCS_H__
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#define __SOC_QCOM_TCS_H__
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#define MAX_RPMH_PAYLOAD 16
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/**
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* rpmh_state: state for the request
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*
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* RPMH_SLEEP_STATE: State of the resource when the processor subsystem
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* is powered down. There is no client using the
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* resource actively.
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* RPMH_WAKE_ONLY_STATE: Resume resource state to the value previously
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* requested before the processor was powered down.
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* RPMH_ACTIVE_ONLY_STATE: Active or AMC mode requests. Resource state
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* is aggregated immediately.
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*/
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enum rpmh_state {
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RPMH_SLEEP_STATE,
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RPMH_WAKE_ONLY_STATE,
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RPMH_ACTIVE_ONLY_STATE,
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};
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/**
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* struct tcs_cmd: an individual request to RPMH.
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*
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* @addr: the address of the resource slv_id:18:16 | offset:0:15
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* @data: the resource state request
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* @wait: wait for this request to be complete before sending the next
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*/
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struct tcs_cmd {
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u32 addr;
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u32 data;
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u32 wait;
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};
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/**
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* struct tcs_request: A set of tcs_cmds sent together in a TCS
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*
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* @state: state for the request.
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* @wait_for_compl: wait until we get a response from the h/w accelerator
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* @num_cmds: the number of @cmds in this request
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* @cmds: an array of tcs_cmds
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*/
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struct tcs_request {
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enum rpmh_state state;
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u32 wait_for_compl;
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u32 num_cmds;
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struct tcs_cmd *cmds;
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};
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#define BCM_TCS_CMD_COMMIT_SHFT 30
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#define BCM_TCS_CMD_COMMIT_MASK 0x40000000
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#define BCM_TCS_CMD_VALID_SHFT 29
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#define BCM_TCS_CMD_VALID_MASK 0x20000000
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#define BCM_TCS_CMD_VOTE_X_SHFT 14
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#define BCM_TCS_CMD_VOTE_MASK 0x3fff
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#define BCM_TCS_CMD_VOTE_Y_SHFT 0
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#define BCM_TCS_CMD_VOTE_Y_MASK 0xfffc000
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/* Construct a Bus Clock Manager (BCM) specific TCS command */
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#define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \
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(((commit) << BCM_TCS_CMD_COMMIT_SHFT) | \
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((valid) << BCM_TCS_CMD_VALID_SHFT) | \
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((cpu_to_le32(vote_x) & \
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BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) | \
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((cpu_to_le32(vote_y) & \
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BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT))
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#endif /* __SOC_QCOM_TCS_H__ */
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