# SPDX-License-Identifier: GPL-2.0-only # # QCOM Soc drivers # menu "Qualcomm SoC drivers" config MMI_DEVICE_DTBS depends on ARCH_QCOM default n bool "Motorola Mobility Device DTBs" help Only include Motorola device specific DTBs to limit the number that get built during kernel compilation. config RTWO_DTB depends on MMI_DEVICE_DTBS default n bool "Motorola Mobility Rtwo Device DTB" help Only include Motorola Rtwo device specific device tree. config CTWO_DTB depends on MMI_DEVICE_DTBS default n bool "Motorola Mobility Ctwo Device DTB" help Only include Motorola Ctwo device specific device tree. config ARC_DTB depends on MMI_DEVICE_DTBS default n bool "Motorola Mobility Arc Device DTB" help Only include Motorola Arc device specific device tree. config OBERON_DTB depends on MMI_DEVICE_DTBS default n bool "Motorola Mobility Oberon Device DTB" help Only include Motorola Oberon device specific device tree. config EQE_DTB depends on MMI_DEVICE_DTBS default n bool "Motorola Mobility Eqe Device DTB" help Only include Motorola Eqe device specific device tree. config MMI_FACTORY_BUILD depends on ARCH_QCOM default n bool "Motorola Factory Build" help kernel config item in common kernel of Moto factory build. config MMI_NON_GKI_DEBUG depends on ARCH_QCOM default n bool "Motorola consolidate feature generic config" help kernel config item in common kernel of Moto consolidate build. config SPS tristate "SPS support" select GENERIC_ALLOCATOR help The SPS (Smart Peripheral Switch) is a DMA engine. It can move data in the following modes: 1. Peripheral-to-Peripheral. 2. Peripheral-to-Memory. 3. Memory-to-Memory. config SPS_SUPPORT_BAMDMA bool "SPS supports BAM DMA" depends on SPS help The BAM-DMA is used for Memory-to-Memory transfers. The main use cases is RPC between processors. The BAM-DMA hardware has 2 registers sets: 1. A BAM HW like all the peripherals. 2. A DMA channel configuration (i.e. channel priority). config SPS_SUPPORT_NDP_BAM bool "SPS supports NDP BAM" depends on SPS help No-Data-Path BAM is used to improve BAM performance. NDP BAMs enables peripherals with fast fabric connectivity to do the actual data transfer themselves, instead of the BAM. config QCOM_AOSS_QMP tristate "Qualcomm AOSS Driver" depends on ARCH_QCOM || COMPILE_TEST depends on MAILBOX depends on COMMON_CLK && PM select PM_GENERIC_DOMAINS help This driver provides the means of communicating with and controlling the low-power state for resources related to the remoteproc subsystems as well as controlling the debug clocks exposed by the Always On Subsystem (AOSS) using Qualcomm Messaging Protocol (QMP). config QCOM_COMMAND_DB tristate "Qualcomm Command DB" depends on ARCH_QCOM || COMPILE_TEST depends on OF_RESERVED_MEM help Command DB queries shared memory by key string for shared system resources. Platform drivers that require to set state of a shared resource on a RPM-hardened platform must use this database to get SoC specific identifier and information for the shared resources. config QCOM_QDSS_BRIDGE tristate "Configure bridge driver for QTI/Qualcomm Technologies, Inc. MDM" depends on MHI_BUS help The driver will help route diag traffic from modem side over the QDSS sub-system to USB on APSS side. The driver acts as a bridge between the MHI and USB interface. If unsure, say N. config QCOM_CPR tristate "QCOM Core Power Reduction (CPR) support" depends on ARCH_QCOM && HAS_IOMEM select PM_OPP select REGMAP help Say Y here to enable support for the CPR hardware found on Qualcomm SoCs like QCS404. This driver populates CPU OPPs tables and makes adjustments to the tables based on feedback from the CPR hardware. If you want to do CPUfrequency scaling say Y here. To compile this driver as a module, choose M here: the module will be called qcom-cpr config QCOM_CPUSS_SLEEP_STATS tristate "Qualcomm Technologies, Inc. (QTI) CPUSS sleep stats driver" depends on DEBUG_FS depends on QCOM_SCM help Qualcomm Technologies, Inc. (QTI) CPUSS sleep stats driver to get hardware LPM counts and residency for particular core/cluster low power modes. This driver creates debugfs entry which provides provision to read and reset those values. config SHOW_SUSPEND_EPOCH tristate "Show epoch values in suspend resume cycles" depends on ARCH_QCOM help Show epoch values when device enter and exit out of suspend and resume. These epoch values are useful to know how long the device is in suspend state. These values can be used to synchronize various subsystem timestamps and have an unique timestamp to correlate between various subsystems. config QCOM_CRM tristate "Qualcomm Technologies, Inc. (QTI) CRM driver" depends on QCOM_RPMH && (ARCH_QCOM || COMPILE_TEST) help Support for communication with the hardened-CRM blocks in Qualcomm Technologies, Inc. (QTI) SoCs. CRM provides interface to vote desired power state of resources local to a subsystem. A set of hardware components aggregate requests for these resources and help apply the aggregated power state on the resource. config QCOM_GENI_SE tristate "QCOM GENI Serial Engine Driver" depends on ARCH_QCOM || COMPILE_TEST help This driver is used to manage Generic Interface (GENI) firmware based Qualcomm Technologies, Inc. Universal Peripheral (QUP) Wrapper. This driver is also used to manage the common aspects of multiple Serial Engines present in the QUP. config QCOM_GSBI tristate "QCOM General Serial Bus Interface" depends on ARCH_QCOM || COMPILE_TEST select MFD_SYSCON help Say y here to enable GSBI support. The GSBI provides control functions for connecting the underlying serial UART, SPI, and I2C devices to the output pins. config QCOM_MSM_IPCC tristate "Qualcomm Technologies, Inc. IPCC driver" depends on MAILBOX help Qualcomm Technologies, Inc. IPCC driver for MSM devices. The drivers acts as an interrupt controller for the clients interested in talking to the IPCC (inbound-communication). On the other hand, the driver also provides a mailbox channel for outbound-communications. Say Y here to compile the driver as a part of kernel or M to compile as a module. config MSM_TZ_SMMU depends on ARCH_MSM8953 || ARCH_QCS405 || ARCH_QCS403 || ARCH_SDM429W || ARCH_SA2150P || ARCH_SA2145P bool "Helper functions for SMMU configuration through TZ" help Say 'Y' here for targets that need to call into TZ to configure SMMUs for any reason (for example, for errata workarounds or configuration of SMMU virtualization). If unsure, say N. config QCOM_RIMPS tristate "Qualcomm Technologies, Inc. Rimps driver" depends on MAILBOX help Qualcomm Technologies, Inc. RIMPS driver for MSM devices. This driver acts as a mailbox controller to do doorbell between Apss and Rimps subsystem. Say yes here to enable rx and tx channel between both the subsystems. If unsure, say n. config QCOM_TLMM_VM_IRQCHIP tristate "Qualcomm Technologies, Inc. TLMM VM irqchip driver" help Qualcomm Technologies, Inc. TLMM VM irqchip driver for MSM devices. The driver acts as a parent interrupt controller for tlmm driver for VMs. Say Y here to compile the driver as a part of kernel or M to compile as a module. config GIC_INTERRUPT_ROUTING tristate "GIC Interrupt Routing driver" depends on ARM_GIC_V3 help GIC interrupt routing driver. The driver manages interrupt routing for shared peripheral interrupts. Say Y here to compile the driver as a part of kernel or M to compile as a module. config QCOM_LLCC tristate "Qualcomm Technologies, Inc. LLCC driver" depends on ARCH_QCOM || COMPILE_TEST select REGMAP_MMIO help Qualcomm Technologies, Inc. platform specific Last Level Cache Controller(LLCC) driver for platforms such as, SDM845. This provides interfaces to clients that use the LLCC. Say yes here to enable LLCC slice driver. config QCOM_KRYO_L2_ACCESSORS bool depends on ARCH_QCOM && ARM64 || COMPILE_TEST config QCOM_LLCC_PERFMON tristate "Qualcomm Technologies, Inc. LLCC Perfmon driver" depends on QCOM_LLCC help This option enables driver for LLCC Performance monitor block. Using this various events in different LLCC sub ports can be monitored. This is used for performance and debug activity and exports sysfs interface. sysfs interface is used to configure and dump the LLCC performance events. config QCOM_MDT_LOADER tristate "Qualcomm Technologies, Inc. MDT Loader driver" select QCOM_SCM help This option is used to enable mdt_loader driver which can be used to load image files of certain subsystems into memory, authenticate and bring it out of reset. Say yes to support this driver. config QCOM_OCMEM tristate "Qualcomm On Chip Memory (OCMEM) driver" depends on ARCH_QCOM select QCOM_SCM help The On Chip Memory (OCMEM) allocator allows various clients to allocate memory from OCMEM based on performance, latency and power requirements. This is typically used by the GPU, camera/video, and audio components on some Snapdragon SoCs. config QCOM_PDR_HELPERS tristate "Qualcomm Technologies, Inc. Protection Domain Restart(PDR) driver" select QCOM_QMI_HELPERS help Qualcomm Technologies, Inc. SoCs allow for multiple protection domains (PDs) to run on the same Q6 sub-system. This allows for services like AVS AUDIO to have their own separate address space and crash/recover without disrupting the other PDs running on the same Q6 ADSP. config QCOM_PANIC_ON_PDR_NOTIF_TIMEOUT bool "Trigger kernel panic when PDR notification timeout expires" help This is a debug feature where a kernel panic is triggered when pdr notification to the APPS client is taking too long. This scneario can happen if the one of notifier gets stuck and due to which subsystem did not get ack back from APPS in time and trigger timeout panic. So, trigger a kernel panic in APPS if PDR notifications is taking too long. config PDR_INDICATION_NOTIF_TIMEOUT int "Pdr notifications timeout in ms" default 3000 help The amount of time, in milliseconds, that should elapse between the start and end of notifications, before a warning is emitted. config MSM_BOOT_TIME_MARKER bool "Use MSM boot time marker reporting" depends on MSM_BOOT_STATS help Use this to mark msm boot kpi for measurement. An instrumentation for boot time measurement. To create an entry, call "place_marker" function. At userspace, write marker name to "/sys/kernel/boot_kpi/kpi_values" config QCOM_QMI_HELPERS tristate depends on NET source "drivers/soc/qcom/hgsl/Kconfig" source "drivers/soc/qcom/hab/Kconfig" source "drivers/soc/qcom/memshare/Kconfig" config QCOM_SAIL_MAILBOX tristate "Qualcomm Technologies, Inc. sail mailbox driver" depends on MAILBOX default n help Qualcomm Technologies, Inc. safety island (SAIL) mailbox driver. The SAIL mailbox driver facilitates communication between APSS and Safety Island. If unsure, say 'N'. config QCOM_QFPROM_SYS tristate "Qualcomm Technologies, Inc. QFPROM_SYS driver " depends on QCOM_QFPROM help Qualcomm Technologies, Inc. QFPROM_SYS driver. The QFPROM SYS driver provides access to the child nodes of QFPROM to user space. The cell values are exported as sysfs entries. Say y here to enable QFPROM SYS support. config QCOM_RMTFS_MEM tristate "Qualcomm Remote Filesystem memory driver" depends on ARCH_QCOM select QCOM_SCM help The Qualcomm remote filesystem memory driver is used for allocating and exposing regions of shared memory with remote processors for the purpose of exchanging sector-data between the remote filesystem service and its clients. Say y here if you intend to boot the modem remoteproc. config MSM_CORE_HANG_DETECT tristate "MSM Core Hang Detection Support" help This enables the core hang detection module. It causes SoC reset on core hang detection and collects the core context for hang. By using sysfs entries core hang detection can be enabled or disabled dynamically. config QCOM_RPMH tristate "Qualcomm RPM-Hardened (RPMH) Communication" depends on ARCH_QCOM || COMPILE_TEST depends on (QCOM_COMMAND_DB || !QCOM_COMMAND_DB) help Support for communication with the hardened-RPM blocks in Qualcomm Technologies Inc (QTI) SoCs. RPMH communication uses an internal bus to transmit state requests for shared resources. A set of hardware components aggregate requests for these resources and help apply the aggregated state on the resource. config QCOM_RPMHPD tristate "Qualcomm RPMh Power domain driver" depends on QCOM_RPMH && QCOM_COMMAND_DB help QCOM RPMh Power domain driver to support power-domains with performance states. The driver communicates a performance state value to RPMh which then translates it into corresponding voltage for the voltage rail. config QCOM_RPMPD tristate "Qualcomm RPM Power domain driver" depends on PM depends on QCOM_SMD_RPM help QCOM RPM Power domain driver to support power-domains with performance states. The driver communicates a performance state value to RPM which then translates it into corresponding voltage for the voltage rail. config QCOM_RUN_QUEUE_STATS tristate "Enable collection and exporting of QTI Run Queue stats to userspace" help This option enables the driver to periodically collecting the statistics of kernel run queue information and calculate the load of the system. This information is exported to usespace via sysfs entries and userspace algorithms uses info and decide when to turn on/off the cpu cores. config QCOM_SMEM tristate "Qualcomm Shared Memory Manager (SMEM)" depends on ARCH_QCOM || COMPILE_TEST depends on HWSPINLOCK help Say y here to enable support for the Qualcomm Shared Memory Manager. The driver provides an interface to items in a heap shared among all processors in a Qualcomm platform. config QCOM_SMD_RPM tristate "Qualcomm Resource Power Manager (RPM) over SMD" depends on ARCH_QCOM || COMPILE_TEST depends on RPMSG help If you say yes to this option, support will be included for the Resource Power Manager system found in the Qualcomm 8974 based devices. This is required to access many regulators, clocks and bus frequencies controlled by the RPM on these devices. Say M here if you want to include support for the Qualcomm RPM as a module. This will build a module called "qcom-smd-rpm". config MSM_SPM bool "Driver support for SPM and AVS wrapper hardware" help Enables the support for SPM and AVS wrapper hardware on MSMs. SPM hardware is used to manage the processor power during sleep. The driver allows configuring SPM to allow different low power modes for both core and L2. config MSM_L2_SPM bool "SPM support for L2 cache" help Enable SPM driver support for L2 cache. Some MSM chipsets allow control of L2 cache low power mode with a Subsystem Power manager. Enabling this driver allows configuring L2 SPM for low power modes on supported chipsets. config QCOM_MEMORY_DUMP_V2 tristate "QCOM Memory Dump V2 Support" help This enables memory dump feature. It allows various client subsystems to register respective dump regions. At the time of deadlocks or cpu hangs these dump regions are captured to give a snapshot of the system at the time of the crash. config QCOM_SMEM_STATE bool config QCOM_SMP2P tristate "Qualcomm Shared Memory Point to Point support" depends on MAILBOX depends on QCOM_SMEM select QCOM_SMEM_STATE select IRQ_DOMAIN help Say yes here to support the Qualcomm Shared Memory Point to Point protocol. config QCOM_SMSM tristate "Qualcomm Shared Memory State Machine" depends on QCOM_SMEM select QCOM_SMEM_STATE select IRQ_DOMAIN help Say yes here to support the Qualcomm Shared Memory State Machine. The state machine is represented by bits in shared memory. config QCOM_MICRODUMP tristate "Qualcomm Technologies, Inc. Microdump Support" depends on QCOM_RAMDUMP depends on QCOM_SMEM help This enables microdump feature. It collects crash data from SMEM whenever modem subsytem crashes and stores it under /devcd to expose to user space. config QCOM_SMP2P_SLEEPSTATE tristate "SMP2P Sleepstate notifier" depends on QCOM_SMP2P help When this option is enabled, notifications are sent to remote procs for the power state changes on the local processor. The notifications are sent through the smp2p framework. This driver can also receive notifications from the remote to prevent suspend on the local processor. config SENSORS_SSC tristate "Enable Sensors Driver Support for SSC" depends on REMOTEPROC help Say y or m here to enable Snapdragon Sensor Core(SSC) support for Qualcomm Technologies, Inc SoCs. SSC is used for exercising sensor use-cases. This driver loads firmware files for SSC and also does time synchronization with DSP clock. config QSEE_IPC_IRQ_BRIDGE tristate "QSEE IPC Interrupt Bridge" help This module enables bridging an Inter-Processor Communication(IPC) interrupt from a remote subsystem directed towards Qualcomm Technologies, Inc. Secure Execution Environment(QSEE) to userspace. The interrupt will be propagated through a character device that userspace clients can poll on. config QCOM_GLINK tristate "GLINK Probe Helper" depends on RPMSG_QCOM_GLINK_SMEM help This enables the GLINK Probe module. This is designed to set up other edges in the system. It will initialize all the transports for all the edges present in the device. Say M if you want to enable this module. config QCOM_GLINK_PKT tristate "Enable device interface for GLINK packet channels" depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SLATECOM help G-link packet driver provides the interface for the userspace clients to communicate over G-Link via device nodes. This enable the userspace clients to read and write to some glink packets channel. config QTI_PMIC_GLINK tristate "Enable support for PMIC GLINK" depends on RPMSG select QCOM_RPROC_COMMON select QCOM_PDR_HELPERS help The PMIC Glink driver provides the interface for clients to communicate over GLink for sending and receiving data to charger firmware that runs on a remote subsystem like DSP which supports charging and gauging. This enables clients to read and write battery charging parameters. config QTI_PMIC_GLINK_CLIENT_DEBUG depends on QTI_PMIC_GLINK && DEBUG_FS bool "Enable debugfs features in PMIC GLINK client drivers" help This option enables the generation of debugfs files in PMIC GLINK client drivers that are strictly meant for internal debugging only. Writing to these debug files changes key physical parameters of a system, which may lead to instability. Therefore, this option should never be enabled on production devices. config QTI_BATTERY_GLINK_DEBUG tristate "Enable support for QTI battery glink debug driver" depends on QTI_PMIC_GLINK help Qualcomm Technologies, Inc. battery glink debug driver helps to obtain debug information for battery charging and gauging over PMIC Glink from charger and gauging firmware running on a remote subsystem (e.g. DSP). config QTI_CHARGER_ULOG_GLINK tristate "Enable support for QTI charger ulog glink driver" depends on QTI_PMIC_GLINK && DEBUG_FS help Qualcomm Technologies, Inc. charger ulog glink driver helps to obtain ulogs from battery charging and gauging stack over PMIC Glink from the charger firmware running on a remote subsystem (e.g. DSP). config QTI_ALTMODE_GLINK tristate "Type-C alternate mode over GLINK" depends on QTI_PMIC_GLINK help The Qualcomm Technologies, Inc. Type-C alternate mode driver provides an interface for Type-C alternate mode clients to receive data such as Pin Assignment Notifications from the Type-C stack running on a remote subsystem (e.g. DSP) via the PMIC GLINK interface. config QTI_PMIC_GLINK_DEBUG tristate "QTI PMIC Glink Debug Device" depends on QTI_PMIC_GLINK help The Qualcomm Technologies, Inc. PMIC Glink debug device driver provides an interface to read and write PMIC registers over PMIC Glink using a remote subsytem (e.g. DSP). This allows for debugging PMIC peripherals that would typically only be accessible to the charger and fuel gauging firmware running on the remote subsystem. The PMIC peripherals' bus access can be either SPMI or I2C. config QCOM_SECURE_BUFFER tristate "Helper functions for secure buffers through TZ" depends on QCOM_SCM help Enable for targets that need to call into TZ to secure memory buffers. This ensures that only the correct clients can use this memory and no unauthorized access is made to the buffer. config HYP_ASSIGN_DEBUG bool "Enable caller tracking for hyp-assign" depends on QCOM_SECURE_BUFFER help Track all pages which are in the hyp-assigned state. Enable additional error checking on hyp-assign based on this state. Detects double-assign and double-unassign scenarios. If unsure, say 'N' here. config QCOM_MEM_HOOKS tristate "Memory trace hook callbacks" help A helper driver for loading various memory-related vendor hooks, which are used to control the behavior of the core. If unsure, say 'M' here to ensure that the hooks are compiled in. config QCOM_BALANCE_ANON_FILE_RECLAIM bool "During reclaim treat anon and file backed pages equally" depends on SWAP help When performing memory reclaim treat anonymous and file backed pages equally. Swapping anonymous pages out to memory can be efficient enough to justify treating anonymous and file backed pages equally. config MSM_CDSP_LOADER tristate "CDSP loader support" help This enables the CDSP loader driver that loads the CDSP firmware images and brings the compute DSP out of reset for platforms that have one. Say M if you want to enable this module. config QTI_SYS_PM_VX tristate "Qualcomm Technologies, Inc. (QTI) System PM Violators driver" depends on QCOM_AOSS_QMP help This option enables debug subystems that prevent system low power modes. The user sends a QMP message to AOP to record subsystems preventing deeper system low power modes. The data is stored in the MSGRAM by AOP and read and reported in the debugfs by this driver. config QCOM_SOCINFO tristate "Qualcomm socinfo driver" depends on QCOM_SMEM select SOC_BUS help Say yes here to support the Qualcomm socinfo driver, providing information about the SoC to user space. config QCOM_SOCINFO_DT tristate "Qualcomm Technologies, Inc. DT based socinfo driver" select SOC_BUS help Say yes here to support the Qualcomm Technologies, Inc. device tree based socinfo driver, providing information about the SoC to user space. The driver gets the soc information from device tree. If unsure, say no. source "drivers/soc/qcom/dcvs/Kconfig" config QTI_RIMPS_LOG tristate "Qualcomm Technologies Inc. HW RIMPS Logging" depends on IPC_LOGGING && QCOM_RIMPS default n help Rimps logging driver, this driver has the infra to collect logs generated in RIMPS HW and log the buffers. This driver register with IPC_Logging framework, to have dedicated buffer for rimps hw device. config SILENT_MODE tristate "Driver support for Silent mode feature on QCOM Chipsets" depends on PM_SILENT_MODE help Enables the support for Silent mode for QCOM chipsets. This feature monitors a chosen external interface, ex: GPIO, when signalled a state change, will update /sys/kernel/silent_boot/pm_silentmode_kernel_state and /sys/kernel/silent_boot/pm_silentmode_hw_state attribute to indicate the state transition from silent to non-silent. config QTI_PLH_SCMI_CLIENT tristate "Qualcomm Technologies Inc. SCMI client driver for PLH" depends on MSM_PERFORMANCE && QTI_SCMI_PLH_PROTOCOL default n help SCMI client driver registers itself with SCMI framework for PLH vendor protocol, and also registers with the plh interface driver msm_performance. This driver deliver the PLH vendor protocol handle to interface driver, and interface driver will use this handle to communicate with CPUCP PLH. config MSM_JTAGV8 bool "Debug and ETM trace support across power collapse for ARMv8" default y if CORESIGHT_SOURCE_ETM4X depends on QCOM_SCM=y help Enables support for debugging (specifically breakpoints) and ETM processor tracing across power collapse both for JTag and OS hosted software running on ARMv8 target. Enabling this will ensure debug and ETM registers are saved and restored across power collapse. If unsure, say 'N' here to avoid potential power, performance and memory penalty. config QCOM_SOC_SLEEP_STATS tristate "Qualcomm Technologies, Inc. (QTI) SoC sleep stats driver" depends on ARCH_QCOM || COMPILE_TEST help Qualcomm Technologies, Inc. (QTI) SoC sleep stats driver to read the shared memory exported by the remote processor related to various SoC level low power modes statistics and export to debugfs interface. config QCOM_SUBSYS_STATUS tristate "Qualcomm Technologies, Inc. (QTI) Subsystem status driver" depends on ARCH_QCOM || COMPILE_TEST help Qualcomm Technologies, Inc. (QTI) subsystem status driver to read subsystem status during s2idle and deep sleep and if any sub system is not in sleep state then reject the curent s2idle or deep sleep PM sequence. Enable this driver to check subsystem sleep state during PM suspend cycle. config QTI_RPM_STATS_LOG tristate "Qualcomm Technologies, Inc. (QTI) RPM Stats Driver" help This option enables a driver which reads RPM messages from a shared memory location. These messages provide statistical information about the low power modes that subsystem enters. The drivers outputs the message via a debugfs node. config QCOM_ADSP_SLEEPMON tristate "ADSP sleep monitor" depends on QCOM_SMEM help This driver tracks ADSP sleep statistics while interfacing with different userspace clients making use of ADSP. Based on the activity notifications from these userspace clients, the driver detects and logs sleep violations from ADSP subsystem. The driver uses master stats from ADSP subsystem stored in SMEM. config QCOM_ADSP_SLEEPMON_RPROC_RESTART bool "ADSP sleep monitor remoteproc based ASDP restart" depends on QCOM_ADSP_SLEEPMON depends on QCOM_RPROC_COMMON help This enables ADSP sleep monitor to register with remoteproc framework to enable ADSP subsystem restart on sleepmon induced ADSP panics when enabled via device tree or debugfs nodes of ADSP sleep monitor driver. The configuration is used as a feature flag within ADSP sleep monitor driver. config QCOM_WDT_CORE tristate "Qualcomm Technologies, Inc. Watchdog Support" depends on ARCH_QCOM help This enables the watchdog framework for Qualcomm Technologies, Inc. devices. It causes a kernel panic if the watchdog times out. It allows for the detection of cpu hangs and deadlocks. It does not run during the bootup process, so it will not catch any early lockups. Enabling this only enables the framework, an individual Qualcomm Technologies, Inc. watchdog module must be loaded along with this for watchdog functionality. config QCOM_CX_IPEAK tristate "Common driver to handle Cx iPeak limitation" help Cx ipeak HW module is used to limit the current drawn by various subsystem blocks on Cx power rail. Each client needs to set their bit in tcsr register if it is going to cross its own threshold. If all clients are going to cross their thresholds then Cx ipeak hw module will raise an interrupt to cDSP block to throttle cDSP fmax. config QCOM_SOC_WATCHDOG tristate "Qualcomm Technologies, Inc. Soc Watchdog" depends on QCOM_WDT_CORE help This enables the Qualcomm Technologies, Inc. watchdog module for the Soc. It provides an interface to perform watchdog actions such as setting the bark/bite time and also petting the hardware watchdog. To utilize this the Qualcomm Technologies, Inc. watchdog framework must also be enabled. config QCOM_IRQ_STAT bool "QCOM IRQ stats" depends on QCOM_WDT_CORE help This give irq stats for top hitter at watchdog pet, watchdog bark and kernel panics. This provides additional debug information for irq counts on cpu and ipi counts. config QCOM_LOGBUF_VENDOR_HOOKS tristate "QTI Logbuf Vendor Hooks Support" depends on ARCH_QCOM help This enabled to dump kernel log_buf through minidump. It can help in debugging issues which are manifestation of failure during device running. config QCOM_LOGBUF_BOOTLOG bool "QTI Boot Log Support" depends on QCOM_LOGBUF_VENDOR_HOOKS default y help This enables to keep copy of initial log_buf of minimum 512KB from bootup. It can help in debugging issues which are manifestation of failure during initial bootup. config QCOM_FORCE_WDOG_BITE_ON_PANIC bool "QCOM force watchdog bite on panic" depends on QCOM_WDT_CORE help This forces a watchdog bite when the device restarts due to a kernel panic. On certain MSM SoCs, this provides additional debugging information. config QCOM_WDOG_BITE_EARLY_PANIC bool "QCOM early panic watchdog bite" depends on QCOM_WDT_CORE && QCOM_FORCE_WDOG_BITE_ON_PANIC help This forces a watchdog bite early in panic sequence. On certain MSM SoCs, this provides us additional debugging information at the context of the crash. If this option is disabled, then bite occurs later in panic, which permits more of the restart sequence to run (e.g. more dmesg to flushed to console). config QCOM_WATCHDOG_BARK_TIME depends on QCOM_WDT_CORE int "Qualcomm Technologies, Inc. Watchdog bark time in ms" default 16000 range 11000 22000 help The amount of time, in milliseconds, that should elapse after a watchdog timer reset before a bark interrupt is sent from the watchdog. config QCOM_WATCHDOG_PET_TIME depends on QCOM_WDT_CORE int "Qualcomm Technologies, Inc. Watchdog pet time in ms" default 9360 range 9360 9360 help The amount of time, in milliseconds, that should elapse before a watchdog pet is initiated to reset the watchdog timer to 0. config QCOM_WATCHDOG_IPI_PING depends on QCOM_WDT_CORE bool "Qualcomm Technologies, Inc. Watchdog ipi ping" default y help This boolean flag gives the watchdog driver the ability to send a keep-alive ping to other cpu's if it is set to 1. Otherwise, when it is set to 0 no keep alive pings will be sent. config QCOM_WATCHDOG_WAKEUP_ENABLE depends on QCOM_WDT_CORE bool "Qualcomm Technologies, Inc. Watchdog wakeup enable" default y help This boolean flag allows the non secure watchdog counter to freeze and unfreeze automatically across the system suspend and resume path. config QCOM_WATCHDOG_USERSPACE_PET depends on QCOM_WDT_CORE bool "Qualcomm Technologies, Inc. Watchdog user pet enable" default n help This boolean flag allows enabling the userspace-watchdog feature. This feature requires userspace to pet the watchdog every in an interval that matches the time set in the pet-time config. The feature is supported through device sysfs files. config MSM_SPCOM depends on QCOM_SPSS tristate "Secure Processor Communication over RPMSG" help SPCOM driver allows loading Secure Processor Applications and sending messages to Secure Processor Applications. SPCOM implements logic of RPMSG client of SPSS edge. SPCOM provides interface to both user space app and kernel driver. It is using glink as the transport layer, which provides multiple logical channels over single physical channel. The physical layer is based on shared memory and interrupts. SPCOM provides clients/server API although currently only one client/server is allowed per logical channel. config MSM_SPSS_UTILS depends on QCOM_SPSS tristate "Secure Processor Utilities" help spss-utils driver selects Secure Processor firmware file name.name The firmware file name for dev, test or production is selected based on two fuses.fuses Different file name is used for differnt SPSS HW versions,versions because the SPSS firmware size is too small to support multiple HW versions. config QCOM_WCNSS_CTRL tristate "Qualcomm WCNSS control driver" depends on ARCH_QCOM || COMPILE_TEST depends on RPMSG help Client driver for the WCNSS_CTRL SMD channel, used to download nv firmware to a newly booted WCNSS chip. config QCOM_DCC_V2 tristate "Qualcomm Technologies Data Capture and Compare enigne support for V2" help This option enables driver for Data Capture and Compare engine. DCC driver provides interface to configure DCC block and read back captured data from DCC's internal SRAM. config QCOM_SUBSYSTEM_SLEEP_STATS tristate "Qualcomm Technologies, Inc. Subsystem sleep stats driver" depends on QCOM_SMEM help This driver is IOCTL implementation to get the subsystem stats data from SMEM. Stats information such as sleep count, last entered at, last exited at and accumulated duration can be read from userspace with ioctl. config QCOM_CDSP_RM tristate "CDSP request manager" depends on RPMSG help This driver serves CDSP requests for CPU L3 clock and CPU QoS thus improving CDSP performance. Using this driver, CDSP can set appropriate CPU L3 clock for improving IO-Coherent throughput and opt for QoS mode to improve RPC latency. The driver also registers cooling devices for CDSP subsystem and implements Cx ipeak limit management. config CDSPRM_VTCM_DYNAMIC_DEBUG bool "Enable for VTCM parition test enablement" help The VTCM dynamic debug flag is used to enable the vtcm partition test feature from the debugfs node from cdsprm driver.When the test is enabled, the vtcm partition details are sent to the CDSP via rpmsg channel. config QCOM_SYSMON_SUBSYSTEM_STATS tristate "Qualcomm Technologies SysMon DSP subsystem stats" depends on QCOM_SMEM help sysMon subsystem stats driver exposes API to query DSP subsystem's load, power, DDR and Sleep statistics stored in SMEM region for each DSP subsystem which is updated periodically by the respective subsystems. config MSM_SLATECOM tristate "Provide APIs to communicate with Slate chipset" help SLATECOM is a thin layer above SPI. It is used within a SoC for communication between G-Link/slate_com_dev and Slate processor over SPI. This handle the interrupts raised by BG and notify the G-link with interrupt event and event data. config MSM_SLATECOM_INTERFACE tristate "Driver support for Slate Communication" depends on MSM_SLATECOM help Create a slate_com_dev device node for user space communication. Single user space client can open device node for communication from hardware. Hardware will provide access to read registers and read/write AHB memory in the device. config MSM_SLATECOM_RPMSG tristate "Provide support for slate control GLINK channel" depends on MSM_SLATECOM_INTERFACE help MSM_SLATECOM_RPMSG informs SLATECOM_INTERFACE driver if GLINK channel has been opened by remote processor. It doesn't maintain state machine and is probed when Slate opens channel and removed when the channel is closed by remote processor. config MSM_SLATERSB tristate "Provide support for rsb events on Slate" help SLATERSB communicates to SLATE over rpmsg driver for RSB configuration and enable/disable on device power state change.Add slate rsb driver which is use to configure rsb on slate.Slate rsb driver uses glink to communicate with slate config MSM_SLATERSB_RPMSG tristate "Provide support for slate events to RSB" depends on MSM_SLATERSB help SLATERSB-RPMSG informs SLATERSB driver if GLINK channel has been opened by remote processor. It doesn't maintain state machine and is probed when SLATE opens channel and removed when the channel is closed by remote processor. config MSM_SEB tristate "Provide APIs to send and receive events from Slate chipset" help SEB(Slate event bridge) communicates to Slate over rpmsg driver to send or receive events from Slate. The button events received from Slate are send to input framework. The driver provides functionality for a client to register a callback to receive events from a group. config MSM_SEB_RPMSG tristate "Provide support for slate event GLINK channel" depends on MSM_SEB help SEB_RPMSG informs SEB driver if GLINK channel has been opened by remote processor. It doesn't maintain state machine and is probed when Slate opens channel and removed when the channel is closed by remote processor. config MSM_SLATECOM_EVENT tristate "provide support for slate sensor event Communication" depends on MSM_SEB help Create a slate_com_event device node for user space communication. This event driver register for AON event bridge to receive sensor up and down and notifies upper layer HAL about sensor stataus through uevent via netlink socket. config QCOM_APR tristate "Qualcomm APR Bus (Asynchronous Packet Router)" depends on ARCH_QCOM || COMPILE_TEST depends on RPMSG depends on NET select QCOM_PDR_HELPERS help Enable APR IPC protocol support between application processor and QDSP6. APR is used by audio driver to configure QDSP6 ASM, ADM and AFE modules. config QCOM_EUD tristate "QTI Embedded USB Debugger (EUD)" depends on ARCH_QCOM select SERIAL_CORE help The EUD (Embedded USB Debugger) is a mini-USB hub implemented on chip to support the USB-based debug and trace capabilities. This module enables support for Qualcomm Technologies, Inc. Embedded USB Debugger (EUD). If unsure, say N. config QPNP_PBS tristate "PBS trigger support for QPNP PMIC" depends on SPMI help This driver supports configuring software PBS trigger event through PBS RAM on Qualcomm Technologies, Inc. QPNP PMICs. This module provides the APIs to the client drivers that wants to send the PBS trigger event to the PBS RAM. config QTI_PMIC_PON_LOG tristate "PMIC PON log parser driver" help The PMIC PON log driver parses PMIC power-on, power-off, and fault information out of a binary log stored in the SDAM memory found on some Qualcomm Technologies, Inc. PMIC devices. This driver is useful when debugging unexpected power-off scenarios. config QTI_PMIC_LPM tristate "QTI PMIC LPM support" depends on MFD_SPMI_PMIC help Say Y here to enable the Qualcomm Technologies, Inc. low power mode driver which reports the entry and exit of PMIC's low power modes DeepSleep/Hibernate/TWM to a companion chip through the SDAM interface. To compile this driver as a module, choose M here: the module will be called qti-pmic-lpm. config MSM_BOOT_STATS tristate "Use MSM boot stats reporting" help Use this to report msm boot stats such as bootloader throughput, display init, total boot time. This figures are reported in mpm sleep clock cycles and have a resolution of 31 bits as 1 bit is used as an overflow check. choice prompt "Perform Action on spinlock bug" depends on DEBUG_SPINLOCK && QCOM_CPU_VENDOR_HOOKS default DEBUG_SPINLOCK_BITE_ON_BUG config DEBUG_SPINLOCK_BITE_ON_BUG bool "Cause a Watchdog Bite on Spinlock bug" depends on QCOM_WDT_CORE help On a spinlock bug, cause a watchdog bite so that we can get the precise state of the system captured at the time of spin dump. This is mutually exclusive with the below DEBUG_SPINLOCK_PANIC_ON_BUG config. config DEBUG_SPINLOCK_PANIC_ON_BUG bool "Cause a Kernel Panic on Spinlock bug" help On a spinlock bug, cause a kernel panic so that we can get the complete information about the system at the time of spin dump in the dmesg. This is mutually exclusive with the above DEBUG_SPINLOCK_BITE_ON_BUG. endchoice config USB_BAM tristate "USB BAM Driver" help Enabling this option adds USB BAM Driver. USB BAM driver was added to supports Smart Peripheral Subsystem Peripheral-to-Peripheral transfers between the USB and other peripheral. config QCOM_RAMDUMP tristate "Qualcomm Technologies, Inc. Ramdump driver" default n help This option enables the QTI ramdump driver. The ramdump driver provides APIs to collect ramdumps which can be extracted from userspace. Say 'Y' here to enable this driver. It's safe to say 'N' here if you don't plan on collecting ramdumps. config QCOM_CPU_VENDOR_HOOKS tristate "QTI Vendor Hooks Support" depends on ARCH_QCOM && ANDROID_VENDOR_HOOKS help CPU vendor hooks driver registers with andriod vendor hooks provided by core kernel to extend kernel functionality. Currently these features are not supported by upstream kernel and not having scope to upstream. If unsure, say N. config QCOM_PANEL_EVENT_NOTIFIER tristate "panel event notifier" depends on DRM help Enabling this option adds panel event notifier driver. This driver is responsible for notifying clients interested in display panel events such as panel on , panel off, fps change etc. Clients can use these notifications for power saving or align its operations with display panel power state. config QTI_CRYPTO_COMMON tristate "Enable common crypto functionality used for FBE" depends on SCSI_UFS_CRYPTO_QTI || MMC_CRYPTO_QTI help Say 'Y' to enable the common crypto implementation to be used by different storage layers such as UFS and EMMC for file based hardware encryption. This library implements API to program and evict keys using Trustzone or Hardware Key Manager. config QTI_CRYPTO_FDE tristate "Enable common crypto functionality used for FDE" depends on QTI_CRYPTO_COMMON help Say 'Y' to enable the common crypto implementation to be used by different storage layers such as UFS and EMMC for full disk hardware encryption. this is control only for enable inline crypto engine for Full Disk Encryption. config QTI_CRYPTO_TZ tristate "Enable Trustzone to be used for FBE" depends on QTI_CRYPTO_COMMON help Say 'Y' to enable routing crypto requests to Trustzone while performing hardware based file encryption. This means keys are programmed and managed through SCM calls to TZ where ICE driver will configure keys. config QTI_CRYPTO_FDE tristate "Enable common crypto functionality used for FDE" depends on QTI_CRYPTO_COMMON help Say 'Y' to enable hardware Full Disk Encryption implementation to be used by different storage layers such as UFS or eMMC. Enabling the FDE will reserve one slot of KSM(Key Slot Manager) for the FDE. Making one less slot available for FBE(File based encryption) in case both encryption mechanism are enabled on device. config QTI_CRYPTO_LEGACY_KEY_FDE tristate "Enable legacy single key for functionality to be used for FDE" depends on QTI_CRYPTO_FDE help Say 'Y' to enable hardware Full Disk Encryption implementation to use the legacy key generation.Keep using only single slot of KSM with the legacy key id for all the partitions. The Legacy support will be deprecated in the future versions. config QTI_CRYPTO_VIRTUALIZATION tristate "Enable hypervysor to be used for FBE" depends on FS_ENCRYPTION_INLINE_CRYPT depends on MSM_HAB help Say 'Y or M' to enable routing of crypto requests to different operating system in virtualized environment. Driver uses a hardware abstraction(hab) layer where the APIs exposed by that operationg systems are used to send requests to perform the hardware crypto operation. config QTI_HW_KEY_MANAGER tristate "Enable QTI Hardware Key Manager for storage encryption" default n help Say 'Y' to enable the hardware key manager driver used to operate and access key manager hardware block. This is used to interface with HWKM hardware to perform key operations from the kernel which will be used for storage encryption. config QTI_HW_KEY_MANAGER_V1 tristate "Enable QTI Hardware Key Manager v1 for storage encryption" default n help Say 'Y' to enable the hardware key manager v1 driver used to operate and access key manager hardware block. This is used to interface with HWKM hardware to perform key operations from the kernel which will be used for storage encryption. config QCOM_MEM_OFFLINE tristate "Dynamic Memory Region Offline driver" depends on MEMORY_HOTPLUG help Add support for DDR Self-Refresh power management through the dynamic memory offline framework. This driver interfaces between the memory hotplug subsystem and AOP which hot adds or removes memory blocks and controls the start/stop of self-refresh of these DDR regions. This helps reduce power consumption during idle mode of the system. If unsure, say N config BUG_ON_HW_MEM_ONLINE_FAIL bool "Trigger a BUG when HW memory online fails" depends on QCOM_MEM_OFFLINE help Select this option if kernel should BUG when the hardware onlining of memory hotplug blocks fails. This helps to catch online failures much quicker and avoids the later side effects of such memory online failures. If unsure, say N config QCOM_HUNG_TASK_ENH tristate "QTI Hung Task Enhancement" depends on ARCH_QCOM help Add options at sysfs to enhance khungtask, allow user to select and monitor tasks in black/white list mode. Also processes in iowait for specific situation will be monitored to avoid devices long time no response. config QCOM_GUESTVM tristate "Enable Guest VM to be loaded by PIL" select QCOM_MDT_LOADER help This driver invokes Peripheral Image Loader to load images of any guest Virtual Machine (VM). It also communicates with the Resource Manager driver to start the boot of VMs once it has successfully loaded the VM images in the designated memory. config QCOM_HYP_CORE_CTL tristate "CPU reservation scheme for Hypervisor" depends on QCOM_GUESTVM && SCHED_WALT help This driver reserve the specified CPUS by isolating them. The reserved CPUs can be assigned to the other guest OS by the hypervisor. An offline CPU is considered as a reserved CPU since this OS can't use it. config QCOM_FSA4480_I2C tristate "Fairchild FSA4480 chip with I2C" select REGMAP_I2C depends on I2C help Support for the Fairchild FSA4480 IC switch chip controlled using I2C. This driver provides common support for accessing the device, switching between USB and Audio modes, changing orientation. config GH_TLMM_VM_MEM_ACCESS tristate "Qualcomm Technologies, Inc. TLMM VM mem access driver" depends on GH_RM_DRV help Qualcomm Technologies, Inc. TLMM VM mem access driver for MSM devices. The drivers provides initial gpio memory access to VM. Say Y here to compile the driver as a part of kernel or M to compile as a module. config MSM_PERFORMANCE tristate "msm performance driver to support userspace fmin/fmax request" help This driver can restrict max freq or min freq of cpu cluster when requested by the userspace by changing the cpufreq policy fmin and fmax. The user space can request the cpu freq change by writing cpu#:freq values config QCOM_WCD_USBSS_I2C tristate "WCD USBSS chip with I2C" select REGMAP depends on I2C help Support for the WCD939X USBSS IC switch chip controlled using I2C. This driver provides common support for accessing the device, switching between USB and Audio modes, changing orientation. config QCOM_MINIDUMP tristate "QCOM Minidump Support" depends on QCOM_SMEM || GUNYAH_DRIVERS help This enables minidump feature. It allows various clients to register to dump their state at system bad state (panic/WDT,etc.,). Minidump would dump all registered entries, only when DLOAD mode is enabled. config QCOM_MINIDUMP_SMEM bool "QCOM Minidump SMEM Support" depends on QCOM_MINIDUMP && QCOM_SMEM default y help This enables minidump smem transport layer. If minidump and smem are enabled, this config option shall be enabled by default. config QCOM_MINIDUMP_RM bool "QCOM Minidump RM Support" depends on QCOM_MINIDUMP && GUNYAH_DRIVERS help This enables minidump rm on gunyah platform transport layer. If minidump and gunyah are enabled, say yes to enable minidump feature. If unsure, say no. config QCOM_MINIDUMP_MMIO tristate "QTI Minidump MMIO Support" depends on QCOM_MINIDUMP && VIRTIO_MMIO help This enables MMIO minidump transport layer. If the target emulates minidump smem as shadow registers, say yes to enable minidump feature. If unsure, say no. config QCOM_MINIDUMP_VIRTIO tristate "QCOM Minidump based on VIRTIO Support" depends on QCOM_MINIDUMP && VIRTIO help This enables VirtIO minidump transport layer. If minidump and VirtIO are enabled, say yes to enable minidump feature. If unsure, say no. config QCOM_VA_MINIDUMP tristate "QCOM VA Minidump Support" depends on QCOM_MINIDUMP help This enables minidump feature for registering dynamic data structures. It supports VA based registration with minidump, which is made into an ELF. The region for ELF is registered with legacy minidump. config QCOM_DYN_MINIDUMP_STACK bool "QTI Dynamic Minidump Stack Registration Support" depends on QCOM_MINIDUMP help This enables minidump dynamic current stack registration feature. It allows current task stack to be available in minidump, for cases where CPU is unable to register it from IPI_CPU_STOP. The stack data can be used to unwind stack frames. config QCOM_MINIDUMP_FTRACE bool "QCOM Minidump Support" depends on QCOM_MINIDUMP help This enables ftrace buffer registration in minidump table. On oops, ftrace content will be copied to that buffer. This way ftrace buffer content becomes a part of minidump dump collection. config QCOM_MINIDUMP_PANIC_DUMP bool "QCOM Minidump Panic dumps Support" depends on QCOM_MINIDUMP help This enables collection of debug information like runqueue statistics etc. on panic in minidump. It dumps current, CFS, and RT runqueue tasks running on each cpu. This help in knowing the tasks running, pending, hogging on cpu during panic. config QCOM_MINIDUMP_PANIC_CPU_CONTEXT bool "QCOM Minidump Panic dumps Support" depends on ARM64 && QCOM_MINIDUMP_PANIC_DUMP help This enables cpu context collection in minidump table, on panic. config QCOM_MINIDUMP_PSTORE bool "QCOM Minidump Pstore dumps Support" depends on ARM64 && QCOM_MINIDUMP help This enables pstore registration in minidump table. Here, pstore framework dump logs like pmsg, dmesg, console ftrace etc. in the given carve-out memory (non-volatile memory) and during warm reboot these dump will be copied outside the system on panic. config MINIDUMP_MAX_ENTRIES int "Minidump Maximum num of entries" default 200 depends on QCOM_MINIDUMP help This defines maximum number of entries to be allocated for application subsytem in Minidump table. config MINIDUMP_ALL_TASK_INFO bool "Minidump All task info" depends on QCOM_MINIDUMP help Minidump runqueue dump only collect running task info by default, this enables all task info collection during panic. This can provide more debug info. config QCOM_LOGBUF_VENDOR_HOOKS tristate "QTI Logbuf Vendor Hooks Support" depends on ARCH_QCOM && ANDROID_VENDOR_HOOKS help This enables to keep copy of initial log_buf of minimum 512KB from bootup. It can help in debugging issues which are manifestation of failure during initial bootup. config MSM_QBT_HANDLER tristate "Event Handler for QTI Ultrasonic Fingerprint Sensor" help This driver acts as a interrupt handler, where the interrupt is generated by the QTI Ultrasonic Fingerprint Sensor. It queues the events for each interrupt in an event queue and notifies the userspace to read the events from the queue. It also creates an input device to send key events such as KEY_POWER, KEY_HOME. config QCOM_VM_DMESG_DUMPER tristate "Dump a VM's kmsg to a shared reserved memory upon panic" depends on GH_RM_DRV depends on QCOM_SECURE_BUFFER || ARCH_QTI_VM help Upon encountering a kernel panic in a Virtual machine, enable the dumping the kmsg log buffer to a reserved memory section through the use of a Gunyah shared-memory doorbell object. This driver is to be enabled on both Primary VM and the other VM whose kmsg is desired. config QCOM_VM_ALIVE_LOG_DUMPER bool "Dump a VM's alive kmsg to a shared reserved memory Support" depends on QCOM_VM_DMESG_DUMPER default y help This enables to dump a VM's alive kmsg log buffer to the reserved memory section, triggered by Primary VM. This needs to be enabled on both Primary VM and the other VM whose kmsg is desired. config QCOM_VM_ALIVE_LOG_ENCRYPT bool "Encrypt alive log Support" depends on ARCH_QTI_VM && QCOM_VM_ALIVE_LOG_DUMPER && CRYPTO_GCM default y help This enables to encrypt alive log and use AES GCM mode for symmetric key wrapping. This needs to be enabled on both Primary VM and the other VM whose kmsg is desired. config QCOM_DEBUG_SYMBOL tristate "Enable Debug Symbol Support" help This enables Debug Symbol Support. This driver is based on Google Debug Kinfo driver, according to the provided info, this driver allows other modules to get symbol addresses by traversing kallsyms table for debug usage. source "drivers/soc/qcom/mem_buf/Kconfig" source "drivers/soc/qcom/tmecom/Kconfig" source "drivers/soc/qcom/gnsssirf/Kconfig" config DUMP_XBL_LOG tristate "print xbl log on console from fs" help This driver is used to capture xbl log from reserved memory region defined separately in each device tree and print on console when user requests. User can perform below command to print xbl log stored in reserved memory region: cat /sys/kernel/xbl_log/xbl_log config QCOM_AOP_SET_DDR tristate "Sysfs to communicate with AOP using QMP protocol" help This options enables a driver which allows clients to send messages to Alway On processor using QMP transport. Users can echo a frequency into an exposed sysfs node to send to AOP. The driver expects the Cap frequency of DDR based on SKU. config ICNSS2_DEBUG bool "ICNSS2 Platform Driver Debug Support" help This option is to enable ICNSS2 platform driver debug support which primarily includes providing additional verbose logs for certain features, enabling kernel panic for certain cases to aid the debugging, and enabling any other debug mechanisms. config MSM_POWER_STATE tristate "Power State driver support for Deep Sleep and Hibernate" help This option enables Power State Driver which is the kernel component for supporting deep sleep and hibernate. Create a power_state device node for user space communication. User space client can open device node for communication required for handling deep sleep and hibernate modes. config DEEPSLEEP bool "Deep Sleep or Suspend-to-RAM sleep state" depends on MSM_POWER_STATE help Set this option to enable Deep Sleep. Deep Sleep is Suspend-to-RAM sleep state, in which entire system is put in a low-power state, except for memory, so that exit from this state can happen in shorter duration. config NOTIFY_AOP bool "Notify the Deep Sleep to AOP" depends on MSM_POWER_STATE help set this option to send the DeepSleep notification to AOP from APSS when APSS decided to go to the Deep Sleep. AOP once it receives the notification, save the state and once all subsystems went to power collapse put the device to Deep Sleep. config RENAME_DEVICES tristate "Rename block and network device names" depends on VIRTIO_BLK default n help This option is to rename the block and network devices names which is needed during android verified boot process and it also maps to physical partition names on gvm side which help identify the block and network devices. config QCOM_S2D_VENDOR_HOOK tristate "Vendor hook module to route flow of the core Kernel" help This options enable vendor hook callbacks for bootloader based hibernation. Callbacks implemented here are called from the core kernel and help to do bootloader hibernation specific job. Enable this if bootloader hibernation is enabled. config QCOM_SECURE_HIBERNATION tristate "Add security support to hibernation" depends on HIBERNATION help Secure the hibernation snapshot by encrypting the snapshot at kernel before saving to disk. This uses GCM-AES crypto algorithm to encrypt the pages at the kernel. If not sure, say N. endmenu