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      1 /* $NetBSD: lcavar.h,v 1.13 2023/12/04 00:32:10 thorpej Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Jeffrey Hsu
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 #include <sys/vmem.h>
     31 
     32 #include <dev/isa/isavar.h>
     33 #include <dev/pci/pcivar.h>
     34 #include <alpha/pci/pci_sgmap_pte64.h>
     35 
     36 /*
     37  * LCA chipset's configuration.
     38  *
     39  * All of the information that the chipset-specific functions need to
     40  * do their dirty work (and more!).
     41  */
     42 struct lca_config {
     43 	int	lc_initted;
     44 
     45 	struct alpha_bus_space lc_iot, lc_memt;
     46 	struct alpha_pci_chipset lc_pc;
     47 
     48 	struct alpha_bus_dma_tag lc_dmat_direct;
     49 	struct alpha_bus_dma_tag lc_dmat_sgmap;
     50 
     51 	struct alpha_sgmap lc_sgmap;
     52 
     53 	bus_addr_t lc_s_mem_w2_masked_base;
     54 
     55 	vmem_t *lc_io_arena;
     56 	vmem_t *lc_d_mem_arena;
     57 	vmem_t *lc_s_mem_arena;
     58 
     59 	u_int	lc_bcache_size;
     60 };
     61 
     62 struct lca_softc {
     63 	device_t sc_dev;
     64 
     65 	struct	lca_config *sc_lcp;
     66 };
     67 
     68 void	lca_probe_bcache(void);
     69 void	lca_init(struct lca_config *);
     70 void	lca_pci_init(pci_chipset_tag_t, void *);
     71 void	lca_dma_init(struct lca_config *);
     72 
     73 void	lca_bus_io_init(bus_space_tag_t, void *);
     74 void	lca_bus_mem_init(bus_space_tag_t, void *);
     75