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5b7916625c
TPDA(Trace, Profiling and Diagnostics Aggregator) is
to provide packetization, funneling and timestamping of
TPDM data. Multiple monitors are connected to different
input ports of TPDA.This change is to add tpda
enable/disable/probe functions for coresight tpda driver.
- - - - - - - - - - - -
| TPDM 0| | TPDM 1 | | TPDM 2|
- - - - - - - - - - - -
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|_ _ _ _ _ _ | _ _ _ _ |
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------------------
| TPDA |
------------------
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230120095301.30792-2-quic_jinlmao@quicinc.com
35 lines
963 B
C
35 lines
963 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef _CORESIGHT_CORESIGHT_TPDA_H
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#define _CORESIGHT_CORESIGHT_TPDA_H
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#define TPDA_CR (0x000)
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#define TPDA_Pn_CR(n) (0x004 + (n * 4))
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/* Aggregator port enable bit */
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#define TPDA_Pn_CR_ENA BIT(0)
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#define TPDA_MAX_INPORTS 32
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/* Bits 6 ~ 12 is for atid value */
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#define TPDA_CR_ATID GENMASK(12, 6)
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/**
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* struct tpda_drvdata - specifics associated to an TPDA component
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* @base: memory mapped base address for this component.
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* @dev: The device entity associated to this component.
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* @csdev: component vitals needed by the framework.
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* @spinlock: lock for the drvdata value.
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* @enable: enable status of the component.
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*/
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struct tpda_drvdata {
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void __iomem *base;
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struct device *dev;
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struct coresight_device *csdev;
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spinlock_t spinlock;
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u8 atid;
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};
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#endif /* _CORESIGHT_CORESIGHT_TPDA_H */
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