linux-zen-server/drivers/hwtracing/coresight/coresight-tpdm.h

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2023-08-30 17:53:23 +02:00
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef _CORESIGHT_CORESIGHT_TPDM_H
#define _CORESIGHT_CORESIGHT_TPDM_H
/* The max number of the datasets that TPDM supports */
#define TPDM_DATASETS 7
/* DSB Subunit Registers */
#define TPDM_DSB_CR (0x780)
/* Enable bit for DSB subunit */
#define TPDM_DSB_CR_ENA BIT(0)
/* TPDM integration test registers */
#define TPDM_ITATBCNTRL (0xEF0)
#define TPDM_ITCNTRL (0xF00)
/* Register value for integration test */
#define ATBCNTRL_VAL_32 0xC00F1409
#define ATBCNTRL_VAL_64 0xC01F1409
/*
* Number of cycles to write value when
* integration test.
*/
#define INTEGRATION_TEST_CYCLE 10
/**
* The bits of PERIPHIDR0 register.
* The fields [6:0] of PERIPHIDR0 are used to determine what
* interfaces and subunits are present on a given TPDM.
*
* PERIPHIDR0[0] : Fix to 1 if ImplDef subunit present, else 0
* PERIPHIDR0[1] : Fix to 1 if DSB subunit present, else 0
*/
#define TPDM_PIDR0_DS_IMPDEF BIT(0)
#define TPDM_PIDR0_DS_DSB BIT(1)
/**
* struct tpdm_drvdata - specifics associated to an TPDM component
* @base: memory mapped base address for this component.
* @dev: The device entity associated to this component.
* @csdev: component vitals needed by the framework.
* @spinlock: lock for the drvdata value.
* @enable: enable status of the component.
* @datasets: The datasets types present of the TPDM.
*/
struct tpdm_drvdata {
void __iomem *base;
struct device *dev;
struct coresight_device *csdev;
spinlock_t spinlock;
bool enable;
unsigned long datasets;
};
#endif /* _CORESIGHT_CORESIGHT_TPDM_H */