1 /* $NetBSD: psychovar.h,v 1.11 2003/05/03 18:11:02 wiz 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 #include <dev/sysmon/sysmonvar.h> 35 36 /* per real PCI bus info */ 37 struct psycho_softc; 38 39 struct psycho_pbm { 40 /* link to mum */ 41 struct psycho_softc *pp_sc; 42 43 /* 44 * note that the sabre really only has one ranges property, 45 * used for both simba a and simba b (but the ranges for 46 * real psychos are the same for PCI A and PCI B anyway). 47 */ 48 struct psycho_registers *pp_regs; 49 struct psycho_ranges *pp_range; 50 51 /* counts of above */ 52 int pp_nregs; 53 int pp_nrange; 54 int pp_nintmap; 55 56 /* extents for free bus space */ 57 struct extent *pp_exmem; 58 struct extent *pp_exio; 59 60 /* chipset tag for this instance */ 61 pci_chipset_tag_t pp_pc; 62 63 /* our tags */ 64 bus_space_tag_t pp_memt; 65 bus_space_tag_t pp_iot; 66 bus_dma_tag_t pp_dmat; 67 int pp_bus; 68 int pp_busmax; 69 struct pp_busnode { 70 int node; 71 int (*valid) __P((void *)); 72 void *arg; 73 } (*pp_busnode)[256]; 74 int pp_flags; 75 76 /* and pointers into the psycho regs for our bits */ 77 bus_space_handle_t pp_pcictl; 78 struct strbuf_ctl pp_sb; 79 /* area we can use for flushing our streaming buffer */ 80 char pp_flush[0x80]; 81 }; 82 83 /* 84 * per-PCI bus on mainbus softc structure; one for sabre, or two 85 * per pair of psycho's. 86 */ 87 struct psycho_softc { 88 struct device sc_dev; 89 90 /* 91 * one sabre has two simba's. psycho's are separately attached, 92 * with the `other' psycho_pbm allocated at the first's attach. 93 */ 94 struct psycho_pbm *__sc_psycho_this; 95 struct psycho_pbm *__sc_psycho_other; 96 #define sc_psycho_this __sc_psycho_this 97 #define sc_psycho_other __sc_psycho_other 98 99 /* 100 * PSYCHO register. we record the base physical address of these 101 * also as it is the base of the entire PSYCHO 102 */ 103 struct psychoreg *sc_regs; 104 paddr_t sc_basepaddr; 105 106 /* Interrupt Group Number for this device */ 107 int sc_ign; 108 109 /* our tags (from parent) */ 110 bus_space_tag_t sc_bustag; 111 bus_dma_tag_t sc_dmatag; 112 113 bus_space_handle_t sc_bh; 114 115 /* config space */ 116 bus_space_tag_t sc_configtag; 117 bus_space_handle_t sc_configaddr; 118 119 int sc_clockfreq; 120 int sc_node; /* prom node */ 121 int sc_mode; /* (whatareya?) */ 122 #define PSYCHO_MODE_SABRE 1 /* i'm a sabre (yob) */ 123 #define PSYCHO_MODE_PSYCHO 2 /* i'm a psycho (w*nker) */ 124 125 struct iommu_state *sc_is; 126 127 struct sysmon_pswitch *sc_smcontext; /* power switch definition */ 128 int sc_powerpressed;/* already signaled */ 129 }; 130 131 /* get a PCI offset address from bus_space_handle_t */ 132 bus_addr_t psycho_bus_offset __P((bus_space_tag_t, bus_space_handle_t *)); 133 134 /* config space is per-psycho. mem/io/DMA are per-pci bus */ 135 bus_dma_tag_t psycho_alloc_dma_tag __P((struct psycho_pbm *)); 136 bus_space_tag_t psycho_alloc_bus_tag __P((struct psycho_pbm *, int)); 137 138 #define psycho_alloc_config_tag(pp) psycho_alloc_bus_tag((pp), PCI_CONFIG_BUS_SPACE) 139 #define psycho_alloc_mem_tag(pp) psycho_alloc_bus_tag((pp), PCI_MEMORY_BUS_SPACE) 140 #define psycho_alloc_io_tag(pp) psycho_alloc_bus_tag((pp), PCI_IO_BUS_SPACE) 141 142 #endif /* _SPARC64_DEV_PSYCHOVAR_H_ */ 143