162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only
262306a36Sopenharmony_ciconfig ISDN_CAPI
362306a36Sopenharmony_ci	def_bool ISDN && BT
462306a36Sopenharmony_ci	help
562306a36Sopenharmony_ci	  This provides CAPI (the Common ISDN Application Programming
662306a36Sopenharmony_ci	  Interface) Version 2.0, a standard making it easy for programs to
762306a36Sopenharmony_ci	  access ISDN hardware in a device independent way. (For details see
862306a36Sopenharmony_ci	  <https://www.capi.org/>.)  CAPI supports making and accepting voice
962306a36Sopenharmony_ci	  and data connections, controlling call options and protocols,
1062306a36Sopenharmony_ci	  as well as ISDN supplementary services like call forwarding or
1162306a36Sopenharmony_ci	  three-party conferences (if supported by the specific hardware
1262306a36Sopenharmony_ci	  driver).
1362306a36Sopenharmony_ci
1462306a36Sopenharmony_ci	  This subsystem requires a hardware specific driver.
1562306a36Sopenharmony_ci	  See CONFIG_BT_CMTP for the last remaining regular driver
1662306a36Sopenharmony_ci	  in the kernel that uses the CAPI subsystem.
1762306a36Sopenharmony_ci
1862306a36Sopenharmony_ciconfig CAPI_TRACE
1962306a36Sopenharmony_ci	def_bool BT_CMTP
2062306a36Sopenharmony_ci	help
2162306a36Sopenharmony_ci	  If you say Y here, the kernelcapi driver can make verbose traces
2262306a36Sopenharmony_ci	  of CAPI messages. This feature can be enabled/disabled via IOCTL for
2362306a36Sopenharmony_ci	  every controller (default disabled).
2462306a36Sopenharmony_ci
2562306a36Sopenharmony_ciconfig ISDN_CAPI_MIDDLEWARE
2662306a36Sopenharmony_ci	def_bool BT_CMTP && TTY
2762306a36Sopenharmony_ci	help
2862306a36Sopenharmony_ci	  This option will enhance the capabilities of the /dev/capi20
2962306a36Sopenharmony_ci	  interface.  It will provide a means of moving a data connection,
3062306a36Sopenharmony_ci	  established via the usual /dev/capi20 interface to a special tty
3162306a36Sopenharmony_ci	  device.  If you want to use pppd with pppdcapiplugin to dial up to
3262306a36Sopenharmony_ci	  your ISP, say Y here.
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