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 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 #define BCM_TCS_CMD_COMMIT_SHFT 30 57 #define BCM_TCS_CMD_COMMIT_MASK 0x40000000 58 #define BCM_TCS_CMD_VALID_SHFT 29 59 #define BCM_TCS_CMD_VALID_MASK 0x20000000 60 #define BCM_TCS_CMD_VOTE_X_SHFT 14 61 #define BCM_TCS_CMD_VOTE_MASK 0x3fff 62 #define BCM_TCS_CMD_VOTE_Y_SHFT 0 63 #define BCM_TCS_CMD_VOTE_Y_MASK 0xfffc000 64 65 /* Construct a Bus Clock Manager (BCM) specific TCS command */ 66 #define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \ 67 (((commit) << BCM_TCS_CMD_COMMIT_SHFT) | \ 68 ((valid) << BCM_TCS_CMD_VALID_SHFT) | \ 69 ((cpu_to_le32(vote_x) & \ 70 BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) | \ 71 ((cpu_to_le32(vote_y) & \ 72 BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT)) 73 74 #endif /* __SOC_QCOM_TCS_H__ */ 75