1 /* $NetBSD: aubus.c,v 1.18 2006/02/06 23:23:53 gdamore 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 1.18 2006/02/06 23:23:53 gdamore Exp $"); 101 102 #include "locators.h" 103 104 #include <sys/param.h> 105 #include <sys/systm.h> 106 #include <sys/device.h> 107 #include <sys/extent.h> 108 #include <sys/malloc.h> 109 110 #define _MIPS_BUS_DMA_PRIVATE 111 #include <machine/bus.h> 112 #include <machine/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(struct device *, struct cfdata *, void *); 118 static void aubus_attach(struct device *, struct device *, void *); 119 static int aubus_print(void *, const char *); 120 static void aubus_alloc_dma_tag(struct device *, bus_dma_tag_t); 121 122 CFATTACH_DECL(aubus, sizeof(struct device), 123 aubus_match, aubus_attach, NULL, NULL); 124 125 bus_space_tag_t aubus_st; /* XXX */ 126 struct mips_bus_dma_tag aubus_mdt; 127 128 /* 129 * Probe for the aubus; always succeeds. 130 */ 131 static int 132 aubus_match(struct device *parent, struct cfdata *match, void *aux) 133 { 134 135 return 1; 136 } 137 138 /* 139 * Attach the aubus. 140 */ 141 static void 142 aubus_attach(struct device *parent, struct device *self, void *aux) 143 { 144 struct aubus_attach_args aa; 145 struct device *sc = (struct device *)self; 146 struct au_chipdep *chip; 147 const struct au_dev *ad; 148 int locs[AUBUSCF_NLOCS]; 149 150 printf("\n"); 151 152 chip = au_chipdep(); 153 KASSERT(chip != NULL); 154 155 for (ad = chip->devices; ad->name != NULL; ad++) { 156 aa.aa_name = ad->name; 157 aa.aa_st = aubus_st; 158 aa.aa_dt = &aubus_mdt; 159 aubus_alloc_dma_tag(sc, aa.aa_dt); 160 aa.aa_addrs[0] = ad->addr[0]; 161 aa.aa_addrs[1] = ad->addr[1]; 162 aa.aa_addrs[2] = ad->addr[2]; 163 aa.aa_irq[0] = ad->irq[0]; 164 aa.aa_irq[1] = ad->irq[1]; 165 166 locs[AUBUSCF_ADDR] = ad->addr[0]; 167 168 (void) config_found_sm_loc(self, "aubus", locs, &aa, 169 aubus_print, config_stdsubmatch); 170 } 171 } 172 173 static int 174 aubus_print(void *aux, const char *pnp) 175 { 176 struct aubus_attach_args *aa = aux; 177 178 if (pnp) 179 aprint_normal("%s at %s", aa->aa_name, pnp); 180 181 if (aa->aa_addr != AUBUSCF_ADDR_DEFAULT) 182 aprint_normal(" addr 0x%lx", aa->aa_addr); 183 if (aa->aa_irq[0] >= 0) 184 aprint_normal(" irq %d", aa->aa_irq[0]); 185 if (aa->aa_irq[1] >= 0) 186 aprint_normal(",%d", aa->aa_irq[1]); 187 return (UNCONF); 188 } 189 190 void 191 aubus_alloc_dma_tag(sc, pdt) 192 struct device *sc; 193 bus_dma_tag_t pdt; 194 { 195 bus_dma_tag_t t; 196 197 t = pdt; 198 t->_cookie = sc; 199 t->_wbase = 0; /* XXX */ 200 t->_physbase = 0; /* XXX */ 201 t->_wsize = MIPS_KSEG1_START - MIPS_KSEG0_START; 202 t->_dmamap_create = _bus_dmamap_create; 203 t->_dmamap_destroy = _bus_dmamap_destroy; 204 t->_dmamap_load = _bus_dmamap_load; 205 t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf; 206 t->_dmamap_load_uio = _bus_dmamap_load_uio; 207 t->_dmamap_load_raw = _bus_dmamap_load_raw; 208 t->_dmamap_unload = _bus_dmamap_unload; 209 t->_dmamap_sync = _bus_dmamap_sync; 210 t->_dmamem_alloc = _bus_dmamem_alloc; 211 t->_dmamem_free = _bus_dmamem_free; 212 t->_dmamem_map = _bus_dmamem_map; 213 t->_dmamem_unmap = _bus_dmamem_unmap; 214 t->_dmamem_mmap = _bus_dmamem_mmap; 215 } 216