1 /* $NetBSD: psychovar.h,v 1.8 2002/06/20 18:26:24 eeh Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2000 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _SPARC64_DEV_PSYCHOVAR_H_ 32 #define _SPARC64_DEV_PSYCHOVAR_H_ 33 34 /* per real PCI bus info */ 35 struct psycho_softc; 36 37 struct psycho_pbm { 38 /* link to mum */ 39 struct psycho_softc *pp_sc; 40 41 /* 42 * note that the sabre really only has one ranges property, 43 * used for both simba a and simba b (but the ranges for 44 * real psychos are the same for PCI A and PCI B anyway). 45 */ 46 struct psycho_registers *pp_regs; 47 struct psycho_ranges *pp_range; 48 49 /* counts of above */ 50 int pp_nregs; 51 int pp_nrange; 52 int pp_nintmap; 53 54 /* chipset tag for this instance */ 55 pci_chipset_tag_t pp_pc; 56 57 /* our tags */ 58 bus_space_tag_t pp_memt; 59 bus_space_tag_t pp_iot; 60 bus_dma_tag_t pp_dmat; 61 int pp_bus; 62 int pp_flags; 63 64 /* and pointers into the psycho regs for our bits */ 65 bus_space_handle_t pp_pcictl; 66 struct strbuf_ctl pp_sb; 67 /* area we can use for flushing our streaming buffer */ 68 char pp_flush[0x80]; 69 }; 70 71 /* 72 * per-PCI bus on mainbus softc structure; one for sabre, or two 73 * per pair of psycho's. 74 */ 75 struct psycho_softc { 76 struct device sc_dev; 77 78 /* 79 * one sabre has two simba's. psycho's are separately attached, 80 * with the `other' psycho_pbm allocated at the first's attach. 81 */ 82 struct psycho_pbm *__sc_psycho_this; 83 struct psycho_pbm *__sc_psycho_other; 84 #define sc_psycho_this __sc_psycho_this 85 #define sc_psycho_other __sc_psycho_other 86 87 /* 88 * PSYCHO register. we record the base physical address of these 89 * also as it is the base of the entire PSYCHO 90 */ 91 struct psychoreg *sc_regs; 92 paddr_t sc_basepaddr; 93 94 /* Interrupt Group Number for this device */ 95 int sc_ign; 96 97 /* our tags (from parent) */ 98 bus_space_tag_t sc_bustag; 99 bus_dma_tag_t sc_dmatag; 100 101 bus_space_handle_t sc_bh; 102 103 /* config space */ 104 bus_space_tag_t sc_configtag; 105 bus_space_handle_t sc_configaddr; 106 107 int sc_clockfreq; 108 int sc_node; /* prom node */ 109 int sc_mode; /* (whatareya?) */ 110 #define PSYCHO_MODE_SABRE 1 /* i'm a sabre (yob) */ 111 #define PSYCHO_MODE_PSYCHO 2 /* i'm a psycho (w*nker) */ 112 113 struct iommu_state *sc_is; 114 }; 115 116 /* config space is per-psycho. mem/io/dma are per-pci bus */ 117 bus_dma_tag_t psycho_alloc_dma_tag __P((struct psycho_pbm *)); 118 bus_space_tag_t psycho_alloc_bus_tag __P((struct psycho_pbm *, int)); 119 120 #define psycho_alloc_config_tag(pp) psycho_alloc_bus_tag((pp), PCI_CONFIG_BUS_SPACE) 121 #define psycho_alloc_mem_tag(pp) psycho_alloc_bus_tag((pp), PCI_MEMORY_BUS_SPACE) 122 #define psycho_alloc_io_tag(pp) psycho_alloc_bus_tag((pp), PCI_IO_BUS_SPACE) 123 124 #endif /* _SPARC64_DEV_PSYCHOVAR_H_ */ 125