/* 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 */