path: root/drivers/ram/k3-j721e/lpddr4_obj_if.h

/* SPDX-License-Identifier: BSD-3-Clause */
/**********************************************************************
 * Copyright (C) 2012-2019 Cadence Design Systems, Inc.
 **********************************************************************
 * WARNING: This file is auto-generated using api-generator utility.
 *          api-generator: 12.02.13bb8d5
 *          Do not edit it manually.
 **********************************************************************
 * Cadence Core Driver for LPDDR4.
 **********************************************************************
 */
#ifndef LPDDR4_OBJ_IF_H
#define LPDDR4_OBJ_IF_H

#include "lpddr4_if.h"

/** @defgroup DriverObject Driver API Object
 *  API listing for the driver. The API is contained in the object as
 *  function pointers in the object structure. As the actual functions
 *  resides in the Driver Object, the client software must first use the
 *  global GetInstance function to obtain the Driver Object Pointer.
 *  The actual APIs then can be invoked using obj->(api_name)() syntax.
 *  These functions are defined in the header file of the core driver
 *  and utilized by the API.
 *  @{
 */

/**********************************************************************
* API methods
**********************************************************************/
typedef struct lpddr4_obj_s
{
	/**
	 * Checks configuration object.
	 * @param[in] config Driver/hardware configuration required.
	 * @param[out] configSize Size of memory allocations required.
	 * @return CDN_EOK on success (requirements structure filled).
	 * @return ENOTSUP if configuration cannot be supported due to driver/hardware constraints.
	 */
	uint32_t (*probe)(const lpddr4_config* config, uint16_t* configsize);

	/**
	 * Init function to be called after LPDDR4_probe() to set up the
	 * driver configuration.  Memory should be allocated for drv_data
	 * (using the size determined using LPDDR4_probe)  before calling
	 * this API.  init_settings should be initialised with base addresses
	 * for  PHY Indepenent Module, Controller and PHY before calling this
	 * function.  If callbacks are required for interrupt handling, these
	 * should also be configured in init_settings.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] cfg Specifies driver/hardware configuration.
	 * @return CDN_EOK on success
	 * @return EINVAL if illegal/inconsistent values in cfg.
	 * @return ENOTSUP if hardware has an inconsistent configuration or doesn't support feature(s) required by 'config' parameters.
	 */
	uint32_t (*init)(lpddr4_privatedata* pd, const lpddr4_config* cfg);

	/**
	 * Start the driver.
	 * @param[in] pD Driver state info specific to this instance.
	 */
	uint32_t (*start)(const lpddr4_privatedata* pd);

	/**
	 * Read a register from the controller, PHY or PHY Independent Module
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] cpp Indicates whether controller, PHY or PHY Independent Module register
	 * @param[in] regOffset Register offset
	 * @param[out] regValue Register value read
	 * @return CDN_EOK on success.
	 * @return EINVAL if regOffset if out of range or regValue is NULL
	 */
	uint32_t (*readreg)(const lpddr4_privatedata* pd, lpddr4_regblock cpp, uint32_t regoffset, uint32_t* regvalue);

	/**
	 * Write a register in the controller, PHY or PHY Independent Module
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] cpp Indicates whether controller, PHY or PHY Independent Module register
	 * @param[in] regOffset Register offset
	 * @param[in] regValue Register value to be written
	 * @return CDN_EOK on success.
	 * @return EINVAL if regOffset is out of range or regValue is NULL
	 */
	uint32_t (*writereg)(const lpddr4_privatedata* pd, lpddr4_regblock cpp, uint32_t regoffset, uint32_t regvalue);

	/**
	 * Read a memory mode register from DRAM
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] readModeRegVal Value to set in 'read_modereg' parameter.
	 * @param[out] mmrValue Value which is read from memory mode register(mmr) for all devices.
	 * @param[out] mmrStatus Status of mode register read(mrr) instruction.
	 * @return CDN_EOK on success.
	 * @return EINVAL if regNumber is out of range or regValue is NULL
	 */
	uint32_t (*getmmrregister)(const lpddr4_privatedata* pd, uint32_t readmoderegval, uint64_t* mmrvalue, uint8_t* mmrstatus);

	/**
	 * Write a memory mode register in DRAM
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] writeModeRegVal Value to set in 'write_modereg' parameter.
	 * @param[out] mrwStatus Status of mode register write(mrw) instruction.
	 * @return CDN_EOK on success.
	 * @return EINVAL if regNumber is out of range or regValue is NULL
	 */
	uint32_t (*setmmrregister)(const lpddr4_privatedata* pd, uint32_t writemoderegval, uint8_t* mrwstatus);

	/**
	 * Write a set of initialisation values to the controller registers
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] regValues Register values to be written
	 * @return CDN_EOK on success.
	 * @return EINVAL if regValues is NULL
	 */
	uint32_t (*writectlconfig)(const lpddr4_privatedata* pd, const lpddr4_reginitdata* regvalues);

	/**
	 * Write a set of initialisation values to the PHY registers
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] regValues Register values to be written
	 * @return CDN_EOK on success.
	 * @return EINVAL if regValues is NULL
	 */
	uint32_t (*writephyconfig)(const lpddr4_privatedata* pd, const lpddr4_reginitdata* regvalues);

	/**
	 * Write a set of initialisation values to the PHY Independent Module
	 * registers
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] regValues Register values to be written
	 * @return CDN_EOK on success.
	 * @return EINVAL if regValues is NULL
	 */
	uint32_t (*writephyindepconfig)(const lpddr4_privatedata* pd, const lpddr4_reginitdata* regvalues);

	/**
	 * Read values of the controller registers in bulk (Set
	 * 'updateCtlReg' to read) and store in memory.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] regValues Register values which are read
	 * @return CDN_EOK on success.
	 * @return EINVAL if regValues is NULL
	 */
	uint32_t (*readctlconfig)(const lpddr4_privatedata* pd, lpddr4_reginitdata* regvalues);

	/**
	 * Read the values of the PHY module registers in bulk (Set
	 * 'updatePhyReg' to read) and store in memory.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] regValues Register values which are read
	 * @return CDN_EOK on success.
	 * @return EINVAL if regValues is NULL
	 */
	uint32_t (*readphyconfig)(const lpddr4_privatedata* pd, lpddr4_reginitdata* regvalues);

	/**
	 * Read the values of the PHY Independent module registers in
	 * bulk(Set 'updatePhyIndepReg' to read) and store in memory.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] regValues Register values which are read
	 * @return CDN_EOK on success.
	 * @return EINVAL if regValues is NULL
	 */
	uint32_t (*readphyindepconfig)(const lpddr4_privatedata* pd, lpddr4_reginitdata* regvalues);

	/**
	 * Read the current interrupt mask for the controller
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] mask Value of interrupt mask
	 * @return CDN_EOK on success.
	 * @return EINVAL if mask pointer is NULL
	 */
	uint32_t (*getctlinterruptmask)(const lpddr4_privatedata* pd, uint64_t* mask);

	/**
	 * Sets the interrupt mask for the controller
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] mask Value of interrupt mask to be written
	 * @return CDN_EOK on success.
	 * @return EINVAL if mask pointer is NULL
	 */
	uint32_t (*setctlinterruptmask)(const lpddr4_privatedata* pd, const uint64_t* mask);

	/**
	 * Check whether a specific controller interrupt is active
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] intr Interrupt to be checked
	 * @param[out] irqStatus Status of the interrupt, TRUE if active
	 * @return CDN_EOK on success.
	 * @return EINVAL if intr is not valid
	 */
	uint32_t (*checkctlinterrupt)(const lpddr4_privatedata* pd, lpddr4_ctlinterrupt intr, bool* irqstatus);

	/**
	 * Acknowledge  a specific controller interrupt
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] intr Interrupt to be acknowledged
	 * @return CDN_EOK on success.
	 * @return EINVAL if intr is not valid
	 */
	uint32_t (*ackctlinterrupt)(const lpddr4_privatedata* pd, lpddr4_ctlinterrupt intr);

	/**
	 * Read the current interrupt mask for the PHY Independent Module
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] mask Value of interrupt mask
	 * @return CDN_EOK on success.
	 * @return EINVAL if mask pointer is NULL
	 */
	uint32_t (*getphyindepinterruptmask)(const lpddr4_privatedata* pd, uint32_t* mask);

	/**
	 * Sets the interrupt mask for the PHY Independent Module
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] mask Value of interrupt mask to be written
	 * @return CDN_EOK on success.
	 * @return EINVAL if mask pointer is NULL
	 */
	uint32_t (*setphyindepinterruptmask)(const lpddr4_privatedata* pd, const uint32_t* mask);

	/**
	 * Check whether a specific PHY Independent Module interrupt is
	 * active
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] intr Interrupt to be checked
	 * @param[out] irqStatus Status of the interrupt, TRUE if active
	 * @return CDN_EOK on success.
	 * @return EINVAL if intr is not valid
	 */
	uint32_t (*checkphyindepinterrupt)(const lpddr4_privatedata* pd, lpddr4_phyindepinterrupt intr, bool* irqstatus);

	/**
	 * Acknowledge  a specific PHY Independent Module interrupt
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] intr Interrupt to be acknowledged
	 * @return CDN_EOK on success.
	 * @return EINVAL if intr is not valid
	 */
	uint32_t (*ackphyindepinterrupt)(const lpddr4_privatedata* pd, lpddr4_phyindepinterrupt intr);

	/**
	 * Retrieve status information after a failed init.  The
	 * DebugStructInfo will be filled  in with error codes which can be
	 * referenced against the driver documentation for further details.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] debugInfo status
	 * @return CDN_EOK on success.
	 * @return EINVAL if debugInfo is NULL
	 */
	uint32_t (*getdebuginitinfo)(const lpddr4_privatedata* pd, lpddr4_debuginfo* debuginfo);

	/**
	 * Get the current value of Low power Interface wake up time.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] lpiWakeUpParam LPI timing parameter
	 * @param[in] fspNum Frequency copy
	 * @param[out] cycles Timing value(in cycles)
	 * @return CDN_EOK on success.
	 * @return EINVAL if powerMode is NULL
	 */
	uint32_t (*getlpiwakeuptime)(const lpddr4_privatedata* pd, const lpddr4_lpiwakeupparam* lpiwakeupparam, const lpddr4_ctlfspnum* fspnum, uint32_t* cycles);

	/**
	 * Set the current value of Low power Interface wake up time.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] lpiWakeUpParam LPI timing parameter
	 * @param[in] fspNum Frequency copy
	 * @param[in] cycles Timing value(in cycles)
	 * @return CDN_EOK on success.
	 * @return EINVAL if powerMode is NULL
	 */
	uint32_t (*setlpiwakeuptime)(const lpddr4_privatedata* pd, const lpddr4_lpiwakeupparam* lpiwakeupparam, const lpddr4_ctlfspnum* fspnum, const uint32_t* cycles);

	/**
	 * Get the current value for ECC auto correction
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] eccParam ECC parameter setting
	 * @return CDN_EOK on success.
	 * @return EINVAL if on_off is NULL
	 */
	uint32_t (*geteccenable)(const lpddr4_privatedata* pd, lpddr4_eccenable* eccparam);

	/**
	 * Set the value for ECC auto correction.  This API must be called
	 * before startup of memory.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] eccParam ECC control parameter setting
	 * @return CDN_EOK on success.
	 * @return EINVAL if on_off is NULL
	 */
	uint32_t (*seteccenable)(const lpddr4_privatedata* pd, const lpddr4_eccenable* eccparam);

	/**
	 * Get the current value for the Half Datapath option
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] mode Half Datapath setting
	 * @return CDN_EOK on success.
	 * @return EINVAL if mode is NULL
	 */
	uint32_t (*getreducmode)(const lpddr4_privatedata* pd, lpddr4_reducmode* mode);

	/**
	 * Set the value for the Half Datapath option.  This API must be
	 * called before startup of memory.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] mode Half Datapath setting
	 * @return CDN_EOK on success.
	 * @return EINVAL if mode is NULL
	 */
	uint32_t (*setreducmode)(const lpddr4_privatedata* pd, const lpddr4_reducmode* mode);

	/**
	 * Get the current value for Data Bus Inversion setting.  This will
	 * be compared with the   current DRAM setting using the MR3
	 * register.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] on_off DBI read value
	 * @return CDN_EOK on success.
	 * @return EINVAL if on_off is NULL
	 */
	uint32_t (*getdbireadmode)(const lpddr4_privatedata* pd, bool* on_off);

	/**
	 * Get the current value for Data Bus Inversion setting.  This will
	 * be compared with the   current DRAM setting using the MR3
	 * register.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[out] on_off DBI write value
	 * @return CDN_EOK on success.
	 * @return EINVAL if on_off is NULL
	 */
	uint32_t (*getdbiwritemode)(const lpddr4_privatedata* pd, bool* on_off);

	/**
	 * Set the mode for Data Bus Inversion. This will also be set in DRAM
	 * using the MR3   controller register. This API must be called
	 * before startup of memory.
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] mode status
	 * @return CDN_EOK on success.
	 * @return EINVAL if mode is NULL
	 */
	uint32_t (*setdbimode)(const lpddr4_privatedata* pd, const lpddr4_dbimode* mode);

	/**
	 * Get the current value for the refresh rate (reading Refresh per
	 * command timing).
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] fspNum Frequency set number
	 * @param[out] cycles Refresh rate (in cycles)
	 * @return CDN_EOK on success.
	 * @return EINVAL if rate is NULL
	 */
	uint32_t (*getrefreshrate)(const lpddr4_privatedata* pd, const lpddr4_ctlfspnum* fspnum, uint32_t* cycles);

	/**
	 * Set the refresh rate (writing Refresh per command timing).
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] fspNum Frequency set number
	 * @param[in] cycles Refresh rate (in cycles)
	 * @return CDN_EOK on success.
	 * @return EINVAL if rate is NULL
	 */
	uint32_t (*setrefreshrate)(const lpddr4_privatedata* pd, const lpddr4_ctlfspnum* fspnum, const uint32_t* cycles);

	/**
	 * Handle Refreshing per chip select
	 * @param[in] pD Driver state info specific to this instance.
	 * @param[in] trefInterval status
	 * @return CDN_EOK on success.
	 * @return EINVAL if chipSelect is invalid
	 */
	uint32_t (*refreshperchipselect)(const lpddr4_privatedata* pd, const uint32_t trefinterval);

} LPDDR4_OBJ;

/**
 * In order to access the LPDDR4 APIs, the upper layer software must call
 * this global function to obtain the pointer to the driver object.
 * @return LPDDR4_OBJ* Driver Object Pointer
 */
extern LPDDR4_OBJ *lpddr4_getinstance(void);

#endif  /* LPDDR4_OBJ_IF_H */