103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
/* $NetBSD: gemini_lpcvar.h,v 1.2 2008/11/15 05:48:34 cliff Exp $ */
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#ifndef _ARM_GEMINI_LPCVAR_H
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#define _ARM_GEMINI_LPCVAR_H
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#include <sys/types.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#define GEMINI_LPC_LDN_ALL -1 /* "global" LDN */
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typedef void * lpctag_t;
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typedef void * lpcintrtag_t;
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typedef struct gemini_lpc_attach_args {
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lpctag_t lpc_tag;
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uint lpc_ldn;
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bus_addr_t lpc_base;
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bus_addr_t lpc_addr;
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bus_size_t lpc_size;
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uint lpc_intr;
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bus_space_tag_t lpc_iot;
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} gemini_lpc_attach_args_t;
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/* la_flags */
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#define LPC_FL_ENABLED 0x01 /* device is enabled */
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typedef struct gemini_lpc_bus_ops {
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uint8_t (*lpc_pnp_read)(lpctag_t, int, uint);
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void (*lpc_pnp_write)(lpctag_t, int, uint, uint8_t);
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void (*lpc_pnp_enter)(lpctag_t);
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void (*lpc_pnp_exit)(lpctag_t);
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void *(*lpc_intr_establish)(lpctag_t, uint, int, int,
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int (*)(void *), void *);
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void (*lpc_intr_disestablish)(lpctag_t, void *);
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} gemini_lpc_bus_ops_t;
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typedef struct gemini_lpc_softc {
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struct device sc_dev;
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bus_addr_t sc_addr;
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bus_size_t sc_size;
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int sc_intr;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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void *sc_lpchctag;
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struct gemini_lpc_bus_ops *sc_bus_ops;
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} gemini_lpc_softc_t;
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static inline uint8_t
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lpc_pnp_read(lpctag_t tag, int ldn, uint off)
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{
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gemini_lpc_softc_t *sc = tag;
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return (*sc->sc_bus_ops->lpc_pnp_read)(tag, ldn, off);
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}
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static inline void
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lpc_pnp_write(lpctag_t tag, int ldn, uint off, uint8_t val)
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{
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gemini_lpc_softc_t *sc = tag;
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return (*sc->sc_bus_ops->lpc_pnp_write)(tag, ldn, off, val);
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}
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static inline void
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lpc_pnp_enter(lpctag_t tag)
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{
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gemini_lpc_softc_t *sc = tag;
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return (*sc->sc_bus_ops->lpc_pnp_enter)(tag);
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}
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static inline void
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lpc_pnp_exit(lpctag_t tag)
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{
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gemini_lpc_softc_t *sc = tag;
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return (*sc->sc_bus_ops->lpc_pnp_exit)(tag);
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}
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static inline void *
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lpc_intr_establish(lpctag_t tag, uint intr, int ipl, int ist,
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int (*func)(void *), void *arg)
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{
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gemini_lpc_softc_t *sc = tag;
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void *ih;
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ih = (*sc->sc_bus_ops->lpc_intr_establish)
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(tag, intr, ipl, ist, func, arg);
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return ih;
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}
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static inline void
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lpc_intr_disestablish(lpctag_t tag, void *ih)
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{
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gemini_lpc_softc_t *sc = tag;
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return (*sc->sc_bus_ops->lpc_intr_disestablish)(tag, ih);
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}
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#endif /* _ARM_GEMINI_LPCVAR_H */
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