Name
read_zsreg —
Read a register from a Z85230
Synopsis
u8 read_zsreg ( | struct z8530_channel * c, |
| u8 reg) ; |
Arguments
struct z8530_channel * c
Z8530 channel to read from (2 per chip)
u8 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