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- Interface cleanup. static, const in places.

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- Move convenience macros from cacreg.h to cacvar.h.
- Add one hardware check in DIAGNOSTIC case.
- Declare `cac_l0'.
This commit is contained in:
ad 2000-09-01 12:12:29 +00:00
parent ac2883e218
commit 671d7f91ae
1 changed files with 46 additions and 22 deletions
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68
sys/dev/ic/cacvar.h
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@ -1,4 +1,4 @@
/* $NetBSD: cacvar.h,v 1.5 2000/06/13 13:36:47 ad Exp $ */
/* $NetBSD: cacvar.h,v 1.6 2000/09/01 12:12:29 ad Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -37,19 +37,44 @@
*/
#ifndef _IC_CACVAR_H_
#define _IC_CACVAR_H_
#define _IC_CACVAR_H_
#include "locators.h"
#define CAC_MAX_CCBS 20
#define CAC_MAX_XFER (0xffff * 512)
#define CAC_SG_SIZE 32
#define CAC_SG_SIZE 32
#define cac_inb(sc, port) \
bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, port)
#define cac_inw(sc, port) \
bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, port)
#define cac_inl(sc, port) \
bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, port)
#define cac_outb(sc, port, val) \
bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, port, val)
#define cac_outw(sc, port, val) \
bus_space_write_2((sc)->sc_iot, (sc)->sc_ioh, port, val)
#define cac_outl(sc, port, val) \
bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, port, val)
/*
* Stupid macros to deal with alignment/endianness issues.
*/
#define CAC_GET1(x) \
(((u_char *)&(x))[0])
#define CAC_GET2(x) \
(((u_char *)&(x))[0] | (((u_char *)&(x))[1] << 8))
#define CAC_GET4(x) \
((((u_char *)&(x))[0] | (((u_char *)&(x))[1] << 8)) | \
(((u_char *)&(x))[0] << 16 | (((u_char *)&(x))[1] << 24)))
struct cac_softc;
struct cac_ccb;
struct cac_context {
void (*cc_handler) __P((struct cac_ccb *, int));
void (*cc_handler)(struct cac_ccb *, int);
struct device *cc_dv;
void *cc_context;
};
@ -69,15 +94,16 @@ struct cac_ccb {
struct cac_context ccb_context;
};
#define CAC_CCB_DATA_IN 0x0001
#define CAC_CCB_DATA_OUT 0x0002
#define CAC_CCB_DATA_IN 0x0001 /* Map describes inbound xfer */
#define CAC_CCB_DATA_OUT 0x0002 /* Map describes outbound xfer */
#define CAC_CCB_ACTIVE 0x0004 /* Command submitted to controller */
struct cac_linkage {
void (*cl_submit) __P((struct cac_softc *, paddr_t));
paddr_t (*cl_completed) __P((struct cac_softc *));
int (*cl_intr_pending) __P((struct cac_softc *));
void (*cl_intr_enable) __P((struct cac_softc *, int));
int (*cl_fifo_full) __P((struct cac_softc *));
struct cac_ccb *(*cl_completed)(struct cac_softc *);
int (*cl_fifo_full)(struct cac_softc *);
void (*cl_intr_enable)(struct cac_softc *, int);
int (*cl_intr_pending)(struct cac_softc *);
void (*cl_submit)(struct cac_softc *, struct cac_ccb *);
};
struct cac_softc {
@ -87,8 +113,7 @@ struct cac_softc {
bus_dma_tag_t sc_dmat;
bus_dmamap_t sc_dmamap;
void *sc_ih;
struct cac_linkage *sc_cl;
char *sc_typestr;
const struct cac_linkage *sc_cl;
caddr_t sc_ccbs;
paddr_t sc_ccbs_paddr;
SIMPLEQ_HEAD(, cac_ccb) sc_ccb_free;
@ -99,19 +124,18 @@ struct cac_attach_args {
int caca_unit;
};
#define CACACF_UNIT 0
#define CACACF_UNIT 0
#define cacacf_unit cf_loc[CACACF_UNIT]
#define CACACF_UNIT_UNKNOWN -1
int cac_cmd __P((struct cac_softc *, int, void *, int, int, int, int,
struct cac_context *));
void cac_minphys __P((struct buf *));
int cac_intr __P((void *));
int cac_init __P((struct cac_softc *, const char *));
void cac_ccb_free __P((struct cac_softc *, struct cac_ccb *));
int cac_ccb_start __P((struct cac_softc *, struct cac_ccb *));
struct cac_ccb *cac_ccb_alloc __P((struct cac_softc *, int));
int cac_cmd(struct cac_softc *, int, void *, int, int, int, int,
struct cac_context *);
int cac_init(struct cac_softc *, const char *, int);
int cac_intr(void *);
void cac_minphys(struct buf *);
extern struct cac_linkage cac_l0;
#endif /* !_IC_CACVAR_H_ */