1 /* $NetBSD: psychovar.h,v 1.21 2013/12/07 11:17:24 nakayama 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _SPARC64_DEV_PSYCHOVAR_H_ 30 #define _SPARC64_DEV_PSYCHOVAR_H_ 31 32 #include <dev/sysmon/sysmonvar.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 /* extents for free bus space */ 55 struct extent *pp_exmem; 56 struct extent *pp_exio; 57 58 /* PCI Bus Module A or PCI Bus Module B */ 59 int pp_id; 60 #define PSYCHO_PBM_UNKNOWN 0 61 #define PSYCHO_PBM_A 1 62 #define PSYCHO_PBM_B 2 63 64 /* chipset tag for this instance */ 65 pci_chipset_tag_t pp_pc; 66 67 /* our tags */ 68 bus_space_tag_t pp_memt; 69 bus_space_tag_t pp_iot; 70 bus_dma_tag_t pp_dmat; 71 int pp_bus; 72 int pp_flags; 73 74 /* and pointers into the psycho regs for our bits */ 75 bus_space_handle_t pp_pcictl; 76 struct strbuf_ctl pp_sb; 77 /* area we can use for flushing our streaming buffer */ 78 char pp_flush[0x80]; 79 }; 80 81 /* 82 * per-PCI bus on mainbus softc structure; one for sabre, or two 83 * per pair of psycho's. 84 */ 85 struct psycho_softc { 86 device_t sc_dev; 87 88 /* 89 * one sabre has two simba's. psycho's are separately attached, 90 * with the `other' psycho_pbm allocated at the first's attach. 91 */ 92 struct psycho_pbm *__sc_psycho_this; 93 struct psycho_pbm *__sc_psycho_other; 94 #define sc_psycho_this __sc_psycho_this 95 #define sc_psycho_other __sc_psycho_other 96 97 /* 98 * PSYCHO register. we record the base physical address of these 99 * also as it is the base of the entire PSYCHO 100 */ 101 struct psychoreg *sc_regs; 102 paddr_t sc_basepaddr; 103 104 /* Interrupt Group Number for this device */ 105 int sc_ign; 106 107 /* our tags (from parent) */ 108 bus_space_tag_t sc_bustag; 109 bus_dma_tag_t sc_dmatag; 110 111 bus_space_handle_t sc_bh; 112 113 /* config space */ 114 bus_space_tag_t sc_configtag; 115 bus_space_handle_t sc_configaddr; 116 117 int sc_clockfreq; 118 int sc_node; /* prom node */ 119 int sc_mode; /* (whatareya?) */ 120 #define PSYCHO_MODE_SABRE 1 /* i'm a sabre (yob) */ 121 #define PSYCHO_MODE_PSYCHO 2 /* i'm a psycho (w*nker) */ 122 123 struct iommu_state *sc_is; 124 125 struct sysmon_pswitch *sc_smcontext; /* power switch definition */ 126 int sc_powerpressed;/* already signaled */ 127 uint64_t sc_last_stick; 128 }; 129 130 /* get a PCI offset address from bus_space_handle_t */ 131 bus_addr_t psycho_bus_offset(bus_space_tag_t, bus_space_handle_t *); 132 133 /* config space is per-psycho. mem/io/DMA are per-pci bus */ 134 bus_dma_tag_t psycho_alloc_dma_tag(struct psycho_pbm *); 135 bus_space_tag_t psycho_alloc_bus_tag(struct psycho_pbm *, int); 136 137 #define psycho_alloc_config_tag(pp) psycho_alloc_bus_tag((pp), PCI_CONFIG_BUS_SPACE) 138 #define psycho_alloc_mem_tag(pp) psycho_alloc_bus_tag((pp), PCI_MEMORY_BUS_SPACE) 139 #define psycho_alloc_io_tag(pp) psycho_alloc_bus_tag((pp), PCI_IO_BUS_SPACE) 140 141 uint64_t psycho_getstick(void); 142 uint32_t psycho_getstick32(void); 143 void psycho_setstick(long); 144 void psycho_nextstick(long); 145 146 #endif /* _SPARC64_DEV_PSYCHOVAR_H_ */ 147