1 1.3 ad /* $NetBSD: z8530var.h,v 1.3 2007/11/07 15:56:12 ad Exp $ */ 2 1.1 drochner 3 1.1 drochner #include <dev/ic/z8530sc.h> 4 1.1 drochner 5 1.1 drochner struct zsc_softc { 6 1.1 drochner struct device zsc_dev; /* required first: base device */ 7 1.1 drochner struct zs_chanstate *zsc_cs[2]; /* channel A and B soft state */ 8 1.1 drochner /* Machine-dependent part follows... */ 9 1.2 tsutsui void *zsc_softintr_cookie; 10 1.1 drochner }; 11 1.1 drochner 12 1.1 drochner u_char zs_read_reg __P((struct zs_chanstate *cs, u_char reg)); 13 1.1 drochner u_char zs_read_csr __P((struct zs_chanstate *cs)); 14 1.1 drochner u_char zs_read_data __P((struct zs_chanstate *cs)); 15 1.1 drochner 16 1.1 drochner void zs_write_reg __P((struct zs_chanstate *cs, u_char reg, u_char val)); 17 1.1 drochner void zs_write_csr __P((struct zs_chanstate *cs, u_char val)); 18 1.1 drochner void zs_write_data __P((struct zs_chanstate *cs, u_char val)); 19 1.1 drochner 20 1.1 drochner /* Interrupt priority for the SCC chip; needs to match ZSHARD_PRI. */ 21 1.1 drochner #define splzs() spl4() 22 1.3 ad #define IPL_ZS IPL_HIGH 23 1.3 ad 24