/* $NetBSD: lcavar.h,v 1.13 2023/12/04 00:32:10 thorpej Exp $ */

/*
 * Copyright (c) 1995, 1996 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: Jeffrey Hsu
 *
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

#include <sys/vmem.h>

#include <dev/isa/isavar.h>
#include <dev/pci/pcivar.h>
#include <alpha/pci/pci_sgmap_pte64.h>

/*
 * LCA chipset's configuration.
 *
 * All of the information that the chipset-specific functions need to
 * do their dirty work (and more!).
 */
struct lca_config {
        int     lc_initted;

        struct alpha_bus_space lc_iot, lc_memt;
        struct alpha_pci_chipset lc_pc;

        struct alpha_bus_dma_tag lc_dmat_direct;
        struct alpha_bus_dma_tag lc_dmat_sgmap;

        struct alpha_sgmap lc_sgmap;

        bus_addr_t lc_s_mem_w2_masked_base;

        vmem_t *lc_io_arena;
        vmem_t *lc_d_mem_arena;
        vmem_t *lc_s_mem_arena;

        u_int   lc_bcache_size;
};

struct lca_softc {
        device_t sc_dev;

        struct  lca_config *sc_lcp;
};

void    lca_probe_bcache(void);
void    lca_init(struct lca_config *);
void    lca_pci_init(pci_chipset_tag_t, void *);
void    lca_dma_init(struct lca_config *);

void    lca_bus_io_init(bus_space_tag_t, void *);
void    lca_bus_mem_init(bus_space_tag_t, void *);