CONFIG_TOSA_BT is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_TOSA_BT.
Result is shown for kernelversion 6.9.9

Control the state of built-in bluetooth chip on Sharp SL-6000

modulename: tosa-bt.ko

configname: CONFIG_TOSA_BT

Linux Kernel Configuration
└─>PXA2xx/PXA3xx-based
└─>Intel PXA2xx/PXA3xx Implementations
└─>Control the state of built-in bluetooth chip on Sharp SL-6000
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
This is a simple driver that is able to control
the state of built in bluetooth chip on tosa.

source code: