67 struct zs_chanstate {  struct
70 	volatile uint8_t *cs_reg_csr; 	/* ctrl, status, and reg. number. */
71 	volatile uint8_t *cs_reg_data;	/* data or numbered register */
73 	int	cs_channel;		/* sub-unit number */
74 	void   *cs_private;		/* sub-driver data pointer */
75 	struct zsops *cs_ops;
77 	int	cs_brg_clk;		/* BAUD Rate Generator clock
79 	int	cs_defspeed;		/* default baud rate */
80 	int	cs_defcflag;		/* default cflag */
95 	uint8_t	cs_creg[17];		/* current values */
119 	struct  zs_chanstate *cs_ctl_chan;  argument
122 	int	(*enable)(struct zs_chanstate *);  argument
123 	void	(*disable)(struct zs_chanstate *);  argument
124 	int	enabled;