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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.4 */5 6#ifndef __SOC_QCOM_TCS_H__7#define __SOC_QCOM_TCS_H__8 9#define MAX_RPMH_PAYLOAD 1610 11/**12 * rpmh_state: state for the request13 *14 * RPMH_SLEEP_STATE: State of the resource when the processor subsystem15 * is powered down. There is no client using the16 * resource actively.17 * RPMH_WAKE_ONLY_STATE: Resume resource state to the value previously18 * requested before the processor was powered down.19 * RPMH_ACTIVE_ONLY_STATE: Active or AMC mode requests. Resource state20 * is aggregated immediately.21 */22enum rpmh_state {23 RPMH_SLEEP_STATE,24 RPMH_WAKE_ONLY_STATE,25 RPMH_ACTIVE_ONLY_STATE,26};27 28/**29 * struct tcs_cmd: an individual request to RPMH.30 *31 * @addr: the address of the resource slv_id:18:16 | offset:0:1532 * @data: the resource state request33 * @wait: ensure that this command is complete before returning.34 * Setting "wait" here only makes sense during rpmh_write_batch() for35 * active-only transfers, this is because:36 * rpmh_write() - Always waits.37 * (DEFINE_RPMH_MSG_ONSTACK will set .wait_for_compl)38 * rpmh_write_async() - Never waits.39 * (There's no request completion callback)40 */41struct tcs_cmd {42 u32 addr;43 u32 data;44 u32 wait;45};46 47/**48 * struct tcs_request: A set of tcs_cmds sent together in a TCS49 *50 * @state: state for the request.51 * @wait_for_compl: wait until we get a response from the h/w accelerator52 * (same as setting cmd->wait for all commands in the request)53 * @num_cmds: the number of @cmds in this request54 * @cmds: an array of tcs_cmds55 */56struct tcs_request {57 enum rpmh_state state;58 u32 wait_for_compl;59 u32 num_cmds;60 struct tcs_cmd *cmds;61};62 63#define BCM_TCS_CMD_COMMIT_SHFT 3064#define BCM_TCS_CMD_COMMIT_MASK 0x4000000065#define BCM_TCS_CMD_VALID_SHFT 2966#define BCM_TCS_CMD_VALID_MASK 0x2000000067#define BCM_TCS_CMD_VOTE_X_SHFT 1468#define BCM_TCS_CMD_VOTE_MASK 0x3fff69#define BCM_TCS_CMD_VOTE_Y_SHFT 070#define BCM_TCS_CMD_VOTE_Y_MASK 0xfffc00071 72/* Construct a Bus Clock Manager (BCM) specific TCS command */73#define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \74 (((commit) << BCM_TCS_CMD_COMMIT_SHFT) | \75 ((valid) << BCM_TCS_CMD_VALID_SHFT) | \76 ((cpu_to_le32(vote_x) & \77 BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) | \78 ((cpu_to_le32(vote_y) & \79 BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT))80 81#endif /* __SOC_QCOM_TCS_H__ */82