# SPDX-License-Identifier: GPL-2.0-only

  menuconfig MAILBOX
  	bool "Mailbox Hardware Support"
  	help
  	  Mailbox is a framework to control hardware communication between
  	  on-chip processors through queued messages and interrupt driven
  	  signals. Say Y if your platform supports hardware mailboxes.
  
  if MAILBOX

  
  config ARM_MHU
  	tristate "ARM MHU Mailbox"
  	depends on ARM_AMBA
  	help
  	  Say Y here if you want to build the ARM MHU controller driver.
  	  The controller has 3 mailbox channels, the last of which can be
  	  used in Secure mode only.

  config IMX_MBOX
  	tristate "i.MX Mailbox"
  	depends on ARCH_MXC || COMPILE_TEST
  	help
  	  Mailbox implementation for i.MX Messaging Unit (MU).

  config PLATFORM_MHU
  	tristate "Platform MHU Mailbox"
  	depends on OF
  	depends on HAS_IOMEM
  	help
  	  Say Y here if you want to build a platform specific variant MHU
  	  controller driver.
  	  The controller has a maximum of 3 mailbox channels, the last of
  	  which can be used in Secure mode only.

  config PL320_MBOX
  	bool "ARM PL320 Mailbox"
  	depends on ARM_AMBA
  	help
  	  An implementation of the ARM PL320 Interprocessor Communication
  	  Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
  	  send short messages between Highbank's A9 cores and the EnergyCore
  	  Management Engine, primarily for cpufreq. Say Y here if you want
  	  to use the PL320 IPCM support.

  config ARMADA_37XX_RWTM_MBOX
  	tristate "Armada 37xx rWTM BIU Mailbox"
  	depends on ARCH_MVEBU || COMPILE_TEST
  	depends on OF
  	help
  	  Mailbox implementation for communication with the the firmware
  	  running on the Cortex-M3 rWTM secure processor of the Armada 37xx
  	  SOC. Say Y here if you are building for such a device (for example
  	  the Turris Mox router).

  config OMAP2PLUS_MBOX
  	tristate "OMAP2+ Mailbox framework support"

  	depends on ARCH_OMAP2PLUS || ARCH_K3

  	help
  	  Mailbox implementation for OMAP family chips with hardware for
  	  interprocessor communication involving DSP, IVA1.0 and IVA2 in
  	  OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
  	  want to use OMAP2+ Mailbox framework support.
  
  config OMAP_MBOX_KFIFO_SIZE
  	int "Mailbox kfifo default buffer size (bytes)"

  	depends on OMAP2PLUS_MBOX

  	default 256
  	help
  	  Specify the default size of mailbox's kfifo buffers (bytes).
  	  This can also be changed at runtime (via the mbox_kfifo_size
  	  module parameter).

  config ROCKCHIP_MBOX
  	bool "Rockchip Soc Intergrated Mailbox Support"
  	depends on ARCH_ROCKCHIP || COMPILE_TEST
  	help
  	  This driver provides support for inter-processor communication
  	  between CPU cores and MCU processor on Some Rockchip SOCs.
  	  Please check it that the Soc you use have Mailbox hardware.
  	  Say Y here if you want to use the Rockchip Mailbox support.

  config PCC
  	bool "Platform Communication Channel Driver"
  	depends on ACPI

  	default n

  	help
  	  ACPI 5.0+ spec defines a generic mode of communication
  	  between the OS and a platform such as the BMC. This medium
  	  (PCC) is typically used by CPPC (ACPI CPU Performance management),
  	  RAS (ACPI reliability protocol) and MPST (ACPI Memory power
  	  states). Select this driver if your platform implements the
  	  PCC clients mentioned above.

  config ALTERA_MBOX
  	tristate "Altera Mailbox"

  	depends on HAS_IOMEM

  	help
  	  An implementation of the Altera Mailbox soft core. It is used
  	  to send message between processors. Say Y here if you want to use the
  	  Altera mailbox support.

  
  config BCM2835_MBOX
  	tristate "BCM2835 Mailbox"
  	depends on ARCH_BCM2835
  	help
  	  An implementation of the BCM2385 Mailbox.  It is used to invoke
  	  the services of the Videocore. Say Y here if you want to use the
  	  BCM2835 Mailbox.

  config STI_MBOX
  	tristate "STI Mailbox framework support"
  	depends on ARCH_STI && OF
  	help
  	  Mailbox implementation for STMicroelectonics family chips with
  	  hardware for interprocessor communication.

  config TI_MESSAGE_MANAGER
  	tristate "Texas Instruments Message Manager Driver"

  	depends on ARCH_KEYSTONE || ARCH_K3

  	help
  	  An implementation of Message Manager slave driver for Keystone

  	  and K3 architecture SoCs from Texas Instruments. Message Manager
  	  is a communication entity found on few of Texas Instrument's keystone
  	  and K3 architecture SoCs. These may be used for communication between

  	  multiple processors within the SoC. Select this driver if your
  	  platform has support for the hardware block.

  config HI3660_MBOX

  	tristate "Hi3660 Mailbox" if EXPERT
  	depends on (ARCH_HISI || COMPILE_TEST)
  	depends on OF
  	default ARCH_HISI

  	help
  	  An implementation of the hi3660 mailbox. It is used to send message
  	  between application processors and other processors/MCU/DSP. Select
  	  Y here if you want to use Hi3660 mailbox controller.

  config HI6220_MBOX

  	tristate "Hi6220 Mailbox" if EXPERT
  	depends on (ARCH_HISI || COMPILE_TEST)
  	depends on OF
  	default ARCH_HISI

  	help
  	  An implementation of the hi6220 mailbox. It is used to send message
  	  between application processors and MCU. Say Y here if you want to
  	  build Hi6220 mailbox controller driver.

  config MAILBOX_TEST
  	tristate "Mailbox Test Client"
  	depends on OF

  	depends on HAS_IOMEM

  	help
  	  Test client to help with testing new Controller driver
  	  implementations.

  config QCOM_APCS_IPC
  	tristate "Qualcomm APCS IPC driver"
  	depends on ARCH_QCOM || COMPILE_TEST
  	help
  	  Say y here to enable support for the APCS IPC mailbox driver,
  	  providing an interface for invoking the inter-process communication
  	  signals from the application processor to other masters.

  config TEGRA_HSP_MBOX
  	bool "Tegra HSP (Hardware Synchronization Primitives) Driver"

  	depends on ARCH_TEGRA

  	help
  	  The Tegra HSP driver is used for the interprocessor communication
  	  between different remote processors and host processors on Tegra186
  	  and later SoCs. Say Y here if you want to have this support.
  	  If unsure say N.

  config XGENE_SLIMPRO_MBOX
  	tristate "APM SoC X-Gene SLIMpro Mailbox Controller"
  	depends on ARCH_XGENE
  	help
  	  An implementation of the APM X-Gene Interprocessor Communication
  	  Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller.
  	  It is used to send short messages between ARM64-bit cores and
  	  the SLIMpro Management Engine, primarily for PM. Say Y here if you
  	  want to use the APM X-Gene SLIMpro IPCM support.

  
  config BCM_PDC_MBOX

  	tristate "Broadcom FlexSparx DMA Mailbox"
  	depends on ARCH_BCM_IPROC || COMPILE_TEST

  	help

  	  Mailbox implementation for the Broadcom FlexSparx DMA ring manager,

  	  which provides access to various offload engines on Broadcom

  	  SoCs, including FA2/FA+ on Northstar Plus and PDC on Northstar 2.

  
  config BCM_FLEXRM_MBOX
  	tristate "Broadcom FlexRM Mailbox"

  	depends on ARM64

  	depends on ARCH_BCM_IPROC || COMPILE_TEST

  	select GENERIC_MSI_IRQ_DOMAIN

  	default m if ARCH_BCM_IPROC

  	help
  	  Mailbox implementation of the Broadcom FlexRM ring manager,
  	  which provides access to various offload engines on Broadcom
  	  SoCs. Say Y here if you want to use the Broadcom FlexRM.

  
  config STM32_IPCC
  	tristate "STM32 IPCC Mailbox"
  	depends on MACH_STM32MP157
  	help
  	  Mailbox implementation for STMicroelectonics STM32 family chips
  	  with hardware for Inter-Processor Communication Controller (IPCC)
  	  between processors. Say Y here if you want to have this support.

  
  config MTK_CMDQ_MBOX
  	tristate "MediaTek CMDQ Mailbox Support"
  	depends on ARCH_MEDIATEK || COMPILE_TEST
  	select MTK_INFRACFG
  	help
  	  Say yes here to add support for the MediaTek Command Queue (CMDQ)
  	  mailbox driver. The CMDQ is used to help read/write registers with
  	  critical time limitation, such as updating display configuration
  	  during the vblank.

  
  config ZYNQMP_IPI_MBOX
  	bool "Xilinx ZynqMP IPI Mailbox"
  	depends on ARCH_ZYNQMP && OF
  	help
  	  Say yes here to add support for Xilinx IPI mailbox driver.
  	  This mailbox driver is used to send notification or short message
  	  between processors with Xilinx ZynqMP IPI. It will place the
  	  message to the IPI buffer and will access the IPI control
  	  registers to kick the other processor or enquire status.

  config SUN6I_MSGBOX
  	tristate "Allwinner sun6i/sun8i/sun9i/sun50i Message Box"
  	depends on ARCH_SUNXI || COMPILE_TEST
  	default ARCH_SUNXI
  	help
  	  Mailbox implementation for the hardware message box present in
  	  various Allwinner SoCs. This mailbox is used for communication
  	  between the application CPUs and the power management coprocessor.

  config SPRD_MBOX
  	tristate "Spreadtrum Mailbox"
  	depends on ARCH_SPRD || COMPILE_TEST
  	help
  	  Mailbox driver implementation for the Spreadtrum platform. It is used
  	  to send message between application processors and MCU. Say Y here if
  	  you want to build the Spreatrum mailbox controller driver.

  config QCOM_IPCC
  	bool "Qualcomm Technologies, Inc. IPCC driver"
  	depends on ARCH_QCOM || COMPILE_TEST
  	help
  	  Qualcomm Technologies, Inc. Inter-Processor Communication Controller
  	  (IPCC) driver for MSM devices. The driver provides mailbox support for
  	  sending interrupts to the clients. On the other hand, the driver also
  	  acts as an interrupt controller for receiving interrupts from clients.
  	  Say Y here if you want to build this driver.

  endif