1 /* $NetBSD: aubus.c,v 1.24 2021/04/24 23:36:42 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Itronix Inc. 5 * All rights reserved. 6 * 7 * Portions written by Garrett D'Amore for Itronix Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Itronix Inc. may not be used to endorse 18 * or promote products derived from this software without specific 19 * prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 * ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * Copyright 2001 Wasabi Systems, Inc. 36 * All rights reserved. 37 * 38 * Written by Simon Burge for Wasabi Systems, Inc. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed for the NetBSD Project by 51 * Wasabi Systems, Inc. 52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 53 * or promote products derived from this software without specific prior 54 * written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 66 * POSSIBILITY OF SUCH DAMAGE. 67 */ 68 69 /* 70 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 71 * 72 * Redistribution and use in source and binary forms, with or without 73 * modification, are permitted provided that the following conditions 74 * are met: 75 * 1. Redistributions of source code must retain the above copyright 76 * notice, this list of conditions and the following disclaimer. 77 * 2. Redistributions in binary form must reproduce the above copyright 78 * notice, this list of conditions and the following disclaimer in the 79 * documentation and/or other materials provided with the distribution. 80 * 3. All advertising materials mentioning features or use of this software 81 * must display the following acknowledgement: 82 * This product includes software developed by Christopher G. Demetriou 83 * for the NetBSD Project. 84 * 4. The name of the author may not be used to endorse or promote products 85 * derived from this software without specific prior written permission 86 * 87 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 88 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 89 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 90 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 91 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 92 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 93 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 94 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 95 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 96 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 97 */ 98 99 #include <sys/cdefs.h> 100 __KERNEL_RCSID(0, "$NetBSD: aubus.c,v 1.24 2021/04/24 23:36:42 thorpej Exp $"); 101 102 #include "locators.h" 103 #define _MIPS_BUS_DMA_PRIVATE 104 105 #include <sys/param.h> 106 #include <sys/bus.h> 107 #include <sys/device.h> 108 #include <sys/extent.h> 109 #include <sys/malloc.h> 110 #include <sys/systm.h> 111 112 #include <mips/locore.h> 113 #include <mips/alchemy/include/aureg.h> 114 #include <mips/alchemy/include/auvar.h> 115 #include <mips/alchemy/include/aubusvar.h> 116 117 static int aubus_match(device_t, cfdata_t, void *); 118 static void aubus_attach(device_t, device_t, void *); 119 static int aubus_print(void *, const char *); 120 121 CFATTACH_DECL_NEW(aubus, 0, 122 aubus_match, aubus_attach, NULL, NULL); 123 124 bus_space_tag_t aubus_st; /* XXX */ 125 struct mips_bus_dma_tag aubus_mdt = { 126 ._dmamap_ops = _BUS_DMAMAP_OPS_INITIALIZER, 127 ._dmamem_ops = _BUS_DMAMEM_OPS_INITIALIZER, 128 ._dmatag_ops = _BUS_DMATAG_OPS_INITIALIZER, 129 }; 130 131 /* 132 * Probe for the aubus; always succeeds. 133 */ 134 static int 135 aubus_match(device_t parent, cfdata_t match, void *aux) 136 { 137 138 return 1; 139 } 140 141 /* 142 * Attach the aubus. 143 */ 144 static void 145 aubus_attach(device_t parent, device_t self, void *aux) 146 { 147 struct aubus_attach_args aa; 148 device_t sc = self; 149 struct au_chipdep *chip; 150 const struct au_dev *ad; 151 int locs[AUBUSCF_NLOCS]; 152 153 printf("\n"); 154 155 chip = au_chipdep(); 156 KASSERT(chip != NULL); 157 158 aubus_mdt._cookie = sc; 159 160 for (ad = chip->devices; ad->name != NULL; ad++) { 161 aa.aa_name = ad->name; 162 aa.aa_st = aubus_st; 163 aa.aa_dt = &aubus_mdt; 164 aa.aa_addrs[0] = ad->addr[0]; 165 aa.aa_addrs[1] = ad->addr[1]; 166 aa.aa_addrs[2] = ad->addr[2]; 167 aa.aa_irq[0] = ad->irq[0]; 168 aa.aa_irq[1] = ad->irq[1]; 169 170 locs[AUBUSCF_ADDR] = ad->addr[0]; 171 172 config_found(self, &aa, aubus_print, 173 CFARG_SUBMATCH, config_stdsubmatch, 174 CFARG_LOCATORS, locs, 175 CFARG_EOL); 176 } 177 } 178 179 static int 180 aubus_print(void *aux, const char *pnp) 181 { 182 struct aubus_attach_args *aa = aux; 183 184 if (pnp) 185 aprint_normal("%s at %s", aa->aa_name, pnp); 186 187 if (aa->aa_addr != AUBUSCF_ADDR_DEFAULT) 188 aprint_normal(" addr 0x%"PRIxBUSADDR, aa->aa_addr); 189 if (aa->aa_irq[0] >= 0) 190 aprint_normal(" irq %d", aa->aa_irq[0]); 191 if (aa->aa_irq[1] >= 0) 192 aprint_normal(",%d", aa->aa_irq[1]); 193 return (UNCONF); 194 } 195 196 #if 0 197 void 198 aubus_alloc_dma_tag(device_t sc, bus_dma_tag_t pdt) 199 { 200 bus_dma_tag_t t; 201 202 t = pdt; 203 t->_cookie = sc; 204 t->_wbase = 0; /* XXX */ 205 t->_physbase = 0; /* XXX */ 206 t->_wsize = MIPS_KSEG1_START - MIPS_KSEG0_START; 207 t->_dmamap_create = _bus_dmamap_create; 208 t->_dmamap_destroy = _bus_dmamap_destroy; 209 t->_dmamap_load = _bus_dmamap_load; 210 t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf; 211 t->_dmamap_load_uio = _bus_dmamap_load_uio; 212 t->_dmamap_load_raw = _bus_dmamap_load_raw; 213 t->_dmamap_unload = _bus_dmamap_unload; 214 t->_dmamap_sync = _bus_dmamap_sync; 215 t->_dmamem_alloc = _bus_dmamem_alloc; 216 t->_dmamem_free = _bus_dmamem_free; 217 t->_dmamem_map = _bus_dmamem_map; 218 t->_dmamem_unmap = _bus_dmamem_unmap; 219 t->_dmamem_mmap = _bus_dmamem_mmap; 220 } 221 #endif 222