1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2016-2018, 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 16 10 11 /** 12 * rpmh_state: state for the request 13 * 14 * RPMH_SLEEP_STATE: State of the resource when the processor subsystem 15 * is powered down. There is no client using the 16 * resource actively. 17 * RPMH_WAKE_ONLY_STATE: Resume resource state to the value previously 18 * requested before the processor was powered down. 19 * RPMH_ACTIVE_ONLY_STATE: Active or AMC mode requests. Resource state 20 * is aggregated immediately. 21 */ 22 enum 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:0:15 32 * @data: the resource state request 33 * @wait: wait for this request to be complete before sending the next 34 */ 35 struct tcs_cmd { 36 u32 addr; 37 u32 data; 38 u32 wait; 39 }; 40 41 /** 42 * struct tcs_request: A set of tcs_cmds sent together in a TCS 43 * 44 * @state: state for the request. 45 * @wait_for_compl: wait until we get a response from the h/w accelerator 46 * @num_cmds: the number of @cmds in this request 47 * @cmds: an array of tcs_cmds 48 */ 49 struct tcs_request { 50 enum rpmh_state state; 51 u32 wait_for_compl; 52 u32 num_cmds; 53 struct tcs_cmd *cmds; 54 }; 55 56 #endif /* __SOC_QCOM_TCS_H__ */ 57