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/* 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__ */
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