75 строки
2.2 KiB
C
75 строки
2.2 KiB
C
/* 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__ */
|