read_zsreg
Name
read_zsreg -- Read a register from a Z85230
Synopsis
u8 read_zsreg
(struct z8530_channel * c, u8 reg);
Arguments
- c
Z8530 channel to read from (2 per chip)
- reg
Register to read
FIXME
Use a spinlock.
Most of the Z8530 registers are indexed off the control registers.
A read is done by writing to the control register and reading the
register back. The caller must hold the lock