21 lines
750 B
C
21 lines
750 B
C
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/* $NetBSD: z8530var.h,v 1.1 2001/05/14 18:23:16 drochner Exp $ */
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#include <dev/ic/z8530sc.h>
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struct zsc_softc {
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struct device zsc_dev; /* required first: base device */
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struct zs_chanstate *zsc_cs[2]; /* channel A and B soft state */
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/* Machine-dependent part follows... */
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};
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u_char zs_read_reg __P((struct zs_chanstate *cs, u_char reg));
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u_char zs_read_csr __P((struct zs_chanstate *cs));
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u_char zs_read_data __P((struct zs_chanstate *cs));
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void zs_write_reg __P((struct zs_chanstate *cs, u_char reg, u_char val));
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void zs_write_csr __P((struct zs_chanstate *cs, u_char val));
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void zs_write_data __P((struct zs_chanstate *cs, u_char val));
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/* Interrupt priority for the SCC chip; needs to match ZSHARD_PRI. */
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#define splzs() spl4()
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