drivers/soc/qcom/Kconfig

# SPDX-License-Identifier: GPL-2.0
#
# QCOM Soc drivers
#
menu "Qualcomm SoC drivers"
config QCOM_COMMAND_DB
	bool "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_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_GLINK_SSR
	tristate "Qualcomm Glink SSR driver"
	depends on RPMSG
	depends on QCOM_RPROC_COMMON
	help
	  Say y here to enable GLINK SSR support. The GLINK SSR driver
	  implements the SSR protocol for notifying the remote processor about
	  neighboring subsystems going up or down.

config QCOM_CPUSS_DUMP
	bool "CPU Subsystem Dumping support"
	help
	  Add support to dump various hardware entities such as the instruction
	  and data tlb's as well as the unified tlb, which are a part of the
	  cpu subsystem to an allocated buffer. This allows for analysis of the
	  the entities if corruption is suspected.
	  If unsure, say N

config QCOM_GSBI
        tristate "QCOM General Serial Bus Interface"
        depends on ARCH_QCOM
        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_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 QCOM_LLCC
	tristate "Qualcomm Technologies, Inc. LLCC driver"
	depends on ARCH_QCOM
	help
	  Qualcomm Technologies, Inc. platform specific
	  Last Level Cache Controller(LLCC) driver. This provides interfaces
	  to clients that use the LLCC. Say yes here to enable LLCC slice
	  driver.

config QCOM_KONA_LLCC
	tristate "Qualcomm Technologies, Inc. KONA LLCC driver"
	depends on QCOM_LLCC
	help
	  Say yes here to enable the LLCC driver for KONA. This provides
	  data required to configure LLCC so that clients can start using the
	  LLCC slices.

config QCOM_SDM845_LLCC
	tristate "Qualcomm Technologies, Inc. SDM845 LLCC driver"
	depends on QCOM_LLCC
	help
	  Say yes here to enable the LLCC driver for SDM845. This provides
	  data required to configure LLCC so that clients can start using the
	  LLCC slices.

config QCOM_MDT_LOADER
	tristate
	select QCOM_SCM

config QCOM_PM
	bool "Qualcomm Power Management"
	depends on ARCH_QCOM && !ARM64
	select ARM_CPU_SUSPEND
	select QCOM_SCM
	help
	  QCOM Platform specific power driver to manage cores and L2 low power
	  modes. It interface with various system drivers to put the cores in
	  low power modes.

config QCOM_QMI_HELPERS
	tristate
	depends on ARCH_QCOM && NET
	help
	  Helper library for handling QMI encoded messages.  QMI encoded
	  messages are used in communication between the majority of QRTR
	  clients and this helpers provide the common functionality needed for
	  doing this from a kernel driver.

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 QCOM_RPMH
	bool "Qualcomm RPM-Hardened (RPMH) Communication"
	depends on ARCH_QCOM && ARM64 && OF || COMPILE_TEST
	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_SMEM
	tristate "Qualcomm Shared Memory Manager (SMEM)"
	depends on ARCH_QCOM
	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
	depends on RPMSG && OF
	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 QCOM_SCM
	bool "Secure Channel Manager (SCM) support"
	default n
	help
	  Say y here to enable Secure Channel Mananger(SCM) support for SoC.
	  SCM provides communication channel to communicate with secure
	  world(EL2 and EL3) by using smc call.
	  SCM driver provides the support for atomic scm calls also.

config QCOM_MEMORY_DUMP_V2
	bool "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
	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
	help
	  Say yes here to support the Qualcomm Shared Memory State Machine.
	  The state machine is represented by bits in shared memory.

config QCOM_WCNSS_CTRL
	tristate "Qualcomm WCNSS control driver"
	depends on ARCH_QCOM
	depends on RPMSG
	help
	  Client driver for the WCNSS_CTRL SMD channel, used to download nv
	  firmware to a newly booted WCNSS chip.

config SETUP_SSR_NOTIF_TIMEOUTS
	bool "Set timeouts on SSR sysmon notifications and notifier callbacks"
	help
	  Setup timers prior to initiating communication between
	  subsystems through sysmon, and prior to sending notifications
	  to drivers in the kernel that have registered callbacks with the
	  subsystem notifier framework for a particular subsystem. This
	  is a debugging feature.

config SSR_SYSMON_NOTIF_TIMEOUT
	depends on SETUP_SSR_NOTIF_TIMEOUTS
	int "SSR Sysmon notifications timeout in ms"
	default 10000
	help
	  The amount of time, in milliseconds, that should elapse between
	  the start and end of sysmon SSR notifications, before a warning
	  is emitted.

config SSR_SUBSYS_NOTIF_TIMEOUT
	depends on SETUP_SSR_NOTIF_TIMEOUTS
	int "SSR Subsystem notifier timeout in ms"
	default 10000
	help
	  The amount of time, in milliseconds, that should elapse between
	  the start and end of SSR notifications through the subsystem
	  notifier, before a warning is emitted.

config PANIC_ON_SSR_NOTIF_TIMEOUT
	bool "Trigger kernel panic when notification timeout expires"
	depends on SETUP_SSR_NOTIF_TIMEOUTS
	help
	  Trigger a kernel panic when communication between subsystems
	  through sysmon is taking too long. Also trigger a kernel panic
	  if invoking the callbacks registered with a particular subsystem's
	  notifications by the subsystem notifier framework is taking too long.
	  This is a debugging feature.

config QCOM_SECURE_BUFFER
	bool "Helper functions for securing buffers through TZ"
	help
	 Say 'Y' here 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 MSM_TZ_SMMU
	depends on ARCH_MSM8953 || ARCH_QCS405
	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 MSM_SERVICE_LOCATOR
	bool "Service Locator"
	depends on QCOM_QMI_HELPERS
	help
	  The Service Locator provides a library to retrieve location
	  information given a service identifier. Location here translates
	  to what process domain exports the service, and which subsystem
	  that process domain will execute in.

config MSM_SERVICE_NOTIFIER
	bool "Service Notifier"
	depends on MSM_SERVICE_LOCATOR && MSM_SUBSYSTEM_RESTART
	help
	  The Service Notifier provides a library for a kernel client to
	  register for state change notifications regarding a remote service.
	  A remote service here refers to a process providing certain services
	  like audio, the identifier for which is provided by the service
	  locator.

config MSM_SUBSYSTEM_RESTART
	bool "MSM Subsystem Restart"
	help
	  This option enables the MSM subsystem restart framework.
	
	  The MSM subsystem restart framework provides support to boot,
	  shutdown, and restart subsystems with a reference counted API.
	  It also notifies userspace of transitions between these states via
	  sysfs.

config MSM_PIL
	bool "Peripheral image loading"
	select FW_LOADER
	default n
	help
	  Some peripherals need to be loaded into memory before they can be
	  brought out of reset.
	
	  Say yes to support these devices.

config MSM_SYSMON_GLINK_COMM
	bool "MSM System Monitor communication support using GLINK transport"
	depends on MSM_GLINK && MSM_SUBSYSTEM_RESTART
	help
	  This option adds support for MSM System Monitor APIs using the GLINK
	  transport layer. The APIs provided may be used for notifying
	  subsystems within the SoC about other subsystems' power-up/down
	  state-changes.

config MSM_PIL_SSR_GENERIC
	tristate "MSM Subsystem Boot Support"
	depends on MSM_PIL && MSM_SUBSYSTEM_RESTART
	help
	  Support for booting and shutting down MSM Subsystem processors.
	  This driver also monitors the SMSM status bits and the watchdog
	  interrupt for the subsystem and restarts it on a watchdog bite
	  or a fatal error. Subsystems include LPASS, Venus, VPU, WCNSS and
	  BCSS.
config MSM_BOOT_STATS
	bool "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.

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 QCOM_MINIDUMP
	bool "QCOM Minidump Support"
	depends on QCOM_SMEM && QCOM_DLOAD_MODE
	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 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 QCOM_APR
	tristate "Qualcomm APR Bus (Asynchronous Packet Router)"
	depends on ARCH_QCOM
	depends on RPMSG
	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 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_FSA4480_I2C
	bool "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 QCOM_WATCHDOG_V2
	bool "QTI Watchdog Support"
	depends on ARCH_QCOM
	help
	  This enables the watchdog module. It causes kernel panic if the
	  watchdog times out. It allows for detection of cpu hangs and
	  deadlocks. It does not run during the bootup process, so it will
	  not catch any early lockups.

config QCOM_RPMH
	bool "Qualcomm Technologies, Inc. RPM-Hardened (RPMH) Communication"
	depends on ARCH_QCOM && ARM64 && OF || COMPILE_TEST
	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_BUS_SCALING
	bool "Bus scaling driver"
	help
	This option enables bus scaling on MSM devices.  Bus scaling
	allows devices to request the clocks be set to rates sufficient
	for the active devices needs without keeping the clocks at max
	frequency when a slower speed is sufficient.

config  QCOM_BUS_CONFIG_RPMH
	bool "RPMH Bus scaling driver"
	depends on QCOM_BUS_SCALING
	help
	  This option enables bus scaling using QCOM specific hardware
	  accelerators. It enables the translation of bandwidth requests
	  from logical nodes to hardware nodes controlled by the BCM (Bus
	  Clock Manager)

config QCOM_GLINK
	tristate "GLINK Probe Helper"
	depends on RPMSG_QCOM_GLINK_SMEM
	help
	  This enables the GLINK Probe module. The GLINK RPMSG Plugin is
	  currently designed to plugin with the remote proc framework as a
	  subdev. This module is responsible for creating the glink transports
	  when remote proc is disabled.

config QCOM_GLINK_PKT
	tristate "Enable device interface for GLINK packet channels"
	depends on QCOM_GLINK
	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.
endmenu