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4a07fca949
- Use OS abstraction added to display/drivers/server for OS logging support. JIRA TDS-16052 Change-Id: I73f36f1c50b52f5323496bb6dc180b1bd8ddabe3 Signed-off-by: anupamg <anupamg@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3172655 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Arun Swain <arswain@nvidia.com> Reviewed-by: Mahesh Kumar <mahkumar@nvidia.com> GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
143 lines
3.3 KiB
C
143 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* SPDX-FileCopyrightText: Copyright (c) 2019-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*/
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#include <dce.h>
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#include <os-dce-log.h>
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#include <os-utils.h>
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#include <dce-hsp-t234.h>
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#include <hw/t234/hw_hsp_dce.h>
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/**
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* ss_set_regs is a 2D array of read-only pointers to a function returning u32.
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*
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* Array of functions that retrun base addresses of shared semaphores set
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* registers in DCE cluster based on the semaphore id and HSP id.
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*/
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static u32 (*const ss_set_regs[DCE_MAX_HSP_T234][DCE_MAX_NO_SS_T234])(void) = {
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{
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hsp_ss0_set_r,
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hsp_ss1_set_r,
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hsp_ss2_set_r,
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hsp_ss3_set_r,
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},
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};
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/**
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* ss_clear_regs is a 2D array of read-only pointers to a function
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* returning u32.
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*
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* Array of functions that retrun base addresses of shared semaphores clear
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* registers in DCE cluster based on the semaphore id and HSP id.
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*/
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static u32 (*const ss_clear_regs[DCE_MAX_HSP_T234][DCE_MAX_NO_SS_T234])(void) = {
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{
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hsp_ss0_clr_r,
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hsp_ss1_clr_r,
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hsp_ss2_clr_r,
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hsp_ss3_clr_r,
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},
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};
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/**
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* ss_state_regs is a 2D array of read-only pointers to a function
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* returning u32.
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*
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* Array of functions that retrun base addresses of shared semaphores state
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* registers in DCE cluster based on the semaphore id and HSP id.
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*/
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static u32 (*const ss_state_regs[DCE_MAX_HSP_T234][DCE_MAX_NO_SS_T234])(void) = {
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{
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hsp_ss0_state_r,
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hsp_ss1_state_r,
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hsp_ss2_state_r,
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hsp_ss3_state_r,
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},
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};
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/**
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* dce_ss_get_state_t234 - Get the state of ss_#n in the DCE Cluster
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*
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* @d : Pointer to tegra_dce struct.
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* @hsp_id : ID of hsp instance used
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* @id : Shared Semaphore Id.
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*
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* Return : u32
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*/
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u32 dce_ss_get_state_t234(struct tegra_dce *d, u8 hsp_id, u8 id)
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{
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return dce_readl(d, ss_state_regs[hsp_id][id]());
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}
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/**
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* dce_ss_set_t234 - Set an u32 value to ss_#n in the DCE Cluster
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*
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* @d : Pointer to tegra_dce struct.
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* @bpos : bit to be set.
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* @hsp_id : ID of hsp instance used
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* @id : Shared Semaphore Id.
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*
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* Return : Void
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*/
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void dce_ss_set_t234(struct tegra_dce *d, u8 bpos, u8 hsp_id, u8 id)
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{
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unsigned long val = 0U;
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if (hsp_id >= DCE_MAX_HSP_T234 || id >= DCE_MAX_NO_SS_T234) {
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dce_err(d, "Invalid HSP ID:%u OR SS ID:%u", hsp_id, id);
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return;
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}
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val = dce_ss_get_state_t234(d, d->hsp_id, id);
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/**
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* Debug info. please remove
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*/
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dce_info(d, "Current Value in SS#%d : %lx", id, val);
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/**
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* TODO :Use DCE_INSERT here.
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*/
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dce_bitmap_set(&val, bpos, 1);
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/**
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* Debug info. please remove
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*/
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dce_info(d, "Value after bitmap operation : %lx", val);
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dce_writel(d, ss_set_regs[hsp_id][id](), (u32)val);
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/**
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* Debug info. please remove
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*/
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val = dce_ss_get_state_t234(d, d->hsp_id, id);
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dce_info(d, "Current Value in SS#%d : %lx", id, val);
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}
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/**
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* dce_ss_clear_t234 - Clear a bit in ss_#n in the DCE Cluster
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*
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* @d : Pointer to tegra_dce struct.
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* @bpos : bit to be cleared.
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* @hsp_id : ID of hsp instance used
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* @id : Shared Semaphore Id.
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*
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* Return : Void
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*/
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void dce_ss_clear_t234(struct tegra_dce *d, u8 bpos, u8 hsp_id, u8 id)
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{
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unsigned long val;
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if (hsp_id >= DCE_MAX_HSP_T234 || id >= DCE_MAX_NO_SS_T234) {
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dce_err(d, "Invalid HSP ID:%u OR SS ID:%u", hsp_id, id);
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return;
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}
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val = dce_ss_get_state_t234(d, d->hsp_id, id);
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dce_bitmap_set(&val, bpos, 1);
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dce_writel(d, ss_clear_regs[hsp_id][id](), val);
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}
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