1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __SOC_QCOM_TCS_H__ 7*4882a593Smuzhiyun #define __SOC_QCOM_TCS_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #define MAX_RPMH_PAYLOAD 16 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /** 12*4882a593Smuzhiyun * rpmh_state: state for the request 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun * RPMH_SLEEP_STATE: State of the resource when the processor subsystem 15*4882a593Smuzhiyun * is powered down. There is no client using the 16*4882a593Smuzhiyun * resource actively. 17*4882a593Smuzhiyun * RPMH_WAKE_ONLY_STATE: Resume resource state to the value previously 18*4882a593Smuzhiyun * requested before the processor was powered down. 19*4882a593Smuzhiyun * RPMH_ACTIVE_ONLY_STATE: Active or AMC mode requests. Resource state 20*4882a593Smuzhiyun * is aggregated immediately. 21*4882a593Smuzhiyun */ 22*4882a593Smuzhiyun enum rpmh_state { 23*4882a593Smuzhiyun RPMH_SLEEP_STATE, 24*4882a593Smuzhiyun RPMH_WAKE_ONLY_STATE, 25*4882a593Smuzhiyun RPMH_ACTIVE_ONLY_STATE, 26*4882a593Smuzhiyun }; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun /** 29*4882a593Smuzhiyun * struct tcs_cmd: an individual request to RPMH. 30*4882a593Smuzhiyun * 31*4882a593Smuzhiyun * @addr: the address of the resource slv_id:18:16 | offset:0:15 32*4882a593Smuzhiyun * @data: the resource state request 33*4882a593Smuzhiyun * @wait: wait for this request to be complete before sending the next 34*4882a593Smuzhiyun */ 35*4882a593Smuzhiyun struct tcs_cmd { 36*4882a593Smuzhiyun u32 addr; 37*4882a593Smuzhiyun u32 data; 38*4882a593Smuzhiyun u32 wait; 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /** 42*4882a593Smuzhiyun * struct tcs_request: A set of tcs_cmds sent together in a TCS 43*4882a593Smuzhiyun * 44*4882a593Smuzhiyun * @state: state for the request. 45*4882a593Smuzhiyun * @wait_for_compl: wait until we get a response from the h/w accelerator 46*4882a593Smuzhiyun * @num_cmds: the number of @cmds in this request 47*4882a593Smuzhiyun * @cmds: an array of tcs_cmds 48*4882a593Smuzhiyun */ 49*4882a593Smuzhiyun struct tcs_request { 50*4882a593Smuzhiyun enum rpmh_state state; 51*4882a593Smuzhiyun u32 wait_for_compl; 52*4882a593Smuzhiyun u32 num_cmds; 53*4882a593Smuzhiyun struct tcs_cmd *cmds; 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun #define BCM_TCS_CMD_COMMIT_SHFT 30 57*4882a593Smuzhiyun #define BCM_TCS_CMD_COMMIT_MASK 0x40000000 58*4882a593Smuzhiyun #define BCM_TCS_CMD_VALID_SHFT 29 59*4882a593Smuzhiyun #define BCM_TCS_CMD_VALID_MASK 0x20000000 60*4882a593Smuzhiyun #define BCM_TCS_CMD_VOTE_X_SHFT 14 61*4882a593Smuzhiyun #define BCM_TCS_CMD_VOTE_MASK 0x3fff 62*4882a593Smuzhiyun #define BCM_TCS_CMD_VOTE_Y_SHFT 0 63*4882a593Smuzhiyun #define BCM_TCS_CMD_VOTE_Y_MASK 0xfffc000 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun /* Construct a Bus Clock Manager (BCM) specific TCS command */ 66*4882a593Smuzhiyun #define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \ 67*4882a593Smuzhiyun (((commit) << BCM_TCS_CMD_COMMIT_SHFT) | \ 68*4882a593Smuzhiyun ((valid) << BCM_TCS_CMD_VALID_SHFT) | \ 69*4882a593Smuzhiyun ((cpu_to_le32(vote_x) & \ 70*4882a593Smuzhiyun BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) | \ 71*4882a593Smuzhiyun ((cpu_to_le32(vote_y) & \ 72*4882a593Smuzhiyun BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT)) 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun #endif /* __SOC_QCOM_TCS_H__ */ 75