| # SPDX-License-Identifier: GPL-2.0-only |
| # |
| # CAIF physical drivers |
| # |
| |
| menuconfig CAIF_DRIVERS |
| bool "CAIF transport drivers" |
| depends on CAIF |
| help |
| Enable this to see CAIF physical drivers. |
| |
| if CAIF_DRIVERS |
| |
| config CAIF_TTY |
| tristate "CAIF TTY transport driver" |
| depends on CAIF && TTY |
| default n |
| help |
| The CAIF TTY transport driver is a Line Discipline (ldisc) |
| identified as N_CAIF. When this ldisc is opened from user space |
| it will redirect the TTY's traffic into the CAIF stack. |
| |
| config CAIF_SPI_SLAVE |
| tristate "CAIF SPI transport driver for slave interface" |
| depends on CAIF && HAS_DMA |
| default n |
| help |
| The CAIF Link layer SPI Protocol driver for Slave SPI interface. |
| This driver implements a platform driver to accommodate for a |
| platform specific SPI device. A sample CAIF SPI Platform device is |
| provided in <file:Documentation/networking/caif/spi_porting.rst>. |
| |
| config CAIF_SPI_SYNC |
| bool "Next command and length in start of frame" |
| depends on CAIF_SPI_SLAVE |
| default n |
| help |
| Putting the next command and length in the start of the frame can |
| help to synchronize to the next transfer in case of over or under-runs. |
| This option also needs to be enabled on the modem. |
| |
| config CAIF_HSI |
| tristate "CAIF HSI transport driver" |
| depends on CAIF |
| default n |
| help |
| The CAIF low level driver for CAIF over HSI. |
| Be aware that if you enable this then you also need to |
| enable a low-level HSI driver. |
| |
| config CAIF_VIRTIO |
| tristate "CAIF virtio transport driver" |
| depends on CAIF && HAS_DMA |
| select VHOST_RING |
| select VIRTIO |
| select GENERIC_ALLOCATOR |
| default n |
| help |
| The CAIF driver for CAIF over Virtio. |
| |
| endif # CAIF_DRIVERS |
