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z8530var.h revision 1.1.8.2 
      1 /* $NetBSD: z8530var.h,v 1.1.8.2 2001/05/14 18:23:17 drochner Exp $ */
      2 
      3 #include <dev/ic/z8530sc.h>
      4 
      5 struct zsc_softc {
      6 	struct	device zsc_dev;		/* required first: base device */
      7 	struct	zs_chanstate *zsc_cs[2];	/* channel A and B soft state */
      8 	/* Machine-dependent part follows... */
      9 };
     10 
     11 u_char zs_read_reg __P((struct zs_chanstate *cs, u_char reg));
     12 u_char zs_read_csr __P((struct zs_chanstate *cs));
     13 u_char zs_read_data __P((struct zs_chanstate *cs));
     14 
     15 void  zs_write_reg __P((struct zs_chanstate *cs, u_char reg, u_char val));
     16 void  zs_write_csr __P((struct zs_chanstate *cs, u_char val));
     17 void  zs_write_data __P((struct zs_chanstate *cs, u_char val));
     18 
     19 /* Interrupt priority for the SCC chip; needs to match ZSHARD_PRI. */
     20 #define splzs()		spl4()
     21