1 /* $NetBSD: ciavar.h,v 1.23 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: Chris G. Demetriou 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@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 * A 21171 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 cia_config { 43 int cc_initted; 44 45 struct alpha_bus_space cc_iot, cc_memt; 46 struct alpha_pci_chipset cc_pc; 47 48 struct alpha_bus_dma_tag cc_dmat_direct; 49 struct alpha_bus_dma_tag cc_dmat_sgmap_lo; 50 struct alpha_bus_dma_tag cc_dmat_sgmap_hi; 51 52 struct alpha_sgmap cc_sgmap_lo; 53 struct alpha_sgmap cc_sgmap_hi; 54 55 uint32_t cc_hae_mem; 56 uint32_t cc_hae_io; 57 58 uint32_t cc_rev; 59 uint32_t cc_cnfg; 60 61 int cc_flags; 62 63 #define CCF_ISPYXIS 0x01 /* chip is a 21174 Pyxis */ 64 #define CCF_PYXISBUG 0x02 65 #define CCF_PCI_USE_BWX 0x04 /* use BWX for PCI config space */ 66 #define CCF_BUS_USE_BWX 0x08 /* use BWX for bus space */ 67 68 vmem_t *cc_io_arena; 69 vmem_t *cc_d_mem_arena; 70 vmem_t *cc_s_mem_arena; 71 72 struct { 73 uint32_t wbase[4]; 74 uint32_t wmask[4]; 75 uint32_t tbase[4]; 76 } cc_saved_windows; 77 }; 78 79 struct cia_softc { 80 device_t sc_dev; 81 82 struct cia_config *sc_ccp; 83 }; 84 85 void cia_init(struct cia_config *); 86 void cia_pci_init(pci_chipset_tag_t, void *); 87 void cia_dma_init(struct cia_config *); 88 89 void cia_bwx_bus_io_init(bus_space_tag_t, void *); 90 void cia_bwx_bus_mem_init(bus_space_tag_t, void *); 91 92 void cia_swiz_bus_io_init(bus_space_tag_t, void *); 93 void cia_swiz_bus_mem_init(bus_space_tag_t, void *); 94 95 void cia_pyxis_intr_enable(int, int); 96