ipmi_acpi.c revision 1.2.2.3
1 1.2.2.3 pgoyette /* $NetBSD: ipmi_acpi.c,v 1.2.2.3 2019/01/01 05:38:34 pgoyette Exp $ */ 2 1.2.2.2 pgoyette 3 1.2.2.2 pgoyette /*- 4 1.2.2.2 pgoyette * Copyright (c) 2018 The NetBSD Foundation, Inc. 5 1.2.2.2 pgoyette * All rights reserved. 6 1.2.2.2 pgoyette * 7 1.2.2.2 pgoyette * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 pgoyette * by Michael van Elst 9 1.2.2.2 pgoyette * 10 1.2.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 pgoyette * modification, are permitted provided that the following conditions 12 1.2.2.2 pgoyette * are met: 13 1.2.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 pgoyette * documentation and/or other materials provided with the distribution. 18 1.2.2.2 pgoyette * 19 1.2.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2.2.2 pgoyette * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2.2.2 pgoyette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2.2.2 pgoyette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2.2.2 pgoyette * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2.2.2 pgoyette * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2.2.2 pgoyette * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2.2.2 pgoyette * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2.2.2 pgoyette * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2.2.2 pgoyette * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2.2.2 pgoyette * POSSIBILITY OF SUCH DAMAGE. 30 1.2.2.2 pgoyette */ 31 1.2.2.2 pgoyette 32 1.2.2.2 pgoyette #include <sys/cdefs.h> 33 1.2.2.3 pgoyette __KERNEL_RCSID(0, "$NetBSD: ipmi_acpi.c,v 1.2.2.3 2019/01/01 05:38:34 pgoyette Exp $"); 34 1.2.2.2 pgoyette 35 1.2.2.2 pgoyette #include <sys/param.h> 36 1.2.2.2 pgoyette #include <sys/device.h> 37 1.2.2.2 pgoyette #include <sys/module.h> 38 1.2.2.2 pgoyette #include <sys/systm.h> 39 1.2.2.2 pgoyette 40 1.2.2.2 pgoyette #include <dev/acpi/acpireg.h> 41 1.2.2.2 pgoyette #include <dev/acpi/acpivar.h> 42 1.2.2.2 pgoyette 43 1.2.2.2 pgoyette #include <dev/ipmivar.h> 44 1.2.2.2 pgoyette 45 1.2.2.2 pgoyette #define _COMPONENT ACPI_RESOURCE_COMPONENT 46 1.2.2.2 pgoyette ACPI_MODULE_NAME ("ipmi_acpi") 47 1.2.2.2 pgoyette 48 1.2.2.2 pgoyette typedef struct ipmi_acpi_softc { 49 1.2.2.2 pgoyette device_t sc_dev; 50 1.2.2.2 pgoyette bool sc_init; 51 1.2.2.2 pgoyette } ipmi_acpi_softc_t; 52 1.2.2.2 pgoyette 53 1.2.2.2 pgoyette static int ipmi_acpi_match(device_t, cfdata_t, void *); 54 1.2.2.2 pgoyette static void ipmi_acpi_attach(device_t, device_t, void *); 55 1.2.2.2 pgoyette static int ipmi_acpi_detach(device_t, int); 56 1.2.2.2 pgoyette 57 1.2.2.2 pgoyette CFATTACH_DECL3_NEW(ipmi_acpi, sizeof(ipmi_acpi_softc_t), 58 1.2.2.2 pgoyette ipmi_acpi_match, ipmi_acpi_attach, ipmi_acpi_detach, NULL, NULL, NULL, 59 1.2.2.2 pgoyette DVF_DETACH_SHUTDOWN); 60 1.2.2.2 pgoyette 61 1.2.2.2 pgoyette static const char * const ipmi_ids[] = { 62 1.2.2.2 pgoyette "IPI0001", 63 1.2.2.2 pgoyette NULL 64 1.2.2.2 pgoyette }; 65 1.2.2.2 pgoyette 66 1.2.2.2 pgoyette static int 67 1.2.2.2 pgoyette ipmi_acpi_match(device_t parent, cfdata_t match, void *opaque) 68 1.2.2.2 pgoyette { 69 1.2.2.2 pgoyette struct acpi_attach_args *aa = (struct acpi_attach_args *)opaque; 70 1.2.2.2 pgoyette 71 1.2.2.2 pgoyette if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 72 1.2.2.2 pgoyette return 0; 73 1.2.2.2 pgoyette 74 1.2.2.2 pgoyette if (!acpi_match_hid(aa->aa_node->ad_devinfo, ipmi_ids)) 75 1.2.2.2 pgoyette return 0; 76 1.2.2.2 pgoyette 77 1.2.2.2 pgoyette return 1; 78 1.2.2.2 pgoyette } 79 1.2.2.2 pgoyette 80 1.2.2.2 pgoyette static void 81 1.2.2.2 pgoyette ipmi_acpi_attach(device_t parent, device_t self, void *opaque) 82 1.2.2.2 pgoyette { 83 1.2.2.2 pgoyette ipmi_acpi_softc_t *sc = device_private(self); 84 1.2.2.2 pgoyette struct acpi_attach_args *aa = (struct acpi_attach_args *)opaque; 85 1.2.2.2 pgoyette ACPI_STATUS rv; 86 1.2.2.2 pgoyette ACPI_INTEGER itype, ivers, adr; 87 1.2.2.2 pgoyette struct acpi_resources res; 88 1.2.2.2 pgoyette struct acpi_io *io; 89 1.2.2.2 pgoyette struct acpi_mem *mem; 90 1.2.2.2 pgoyette #if notyet 91 1.2.2.2 pgoyette struct acpi_irq *irq; 92 1.2.2.2 pgoyette #endif 93 1.2.2.2 pgoyette struct ipmi_attach_args IA, *ia = &IA; 94 1.2.2.2 pgoyette bus_addr_t reg2; 95 1.2.2.3 pgoyette uint16_t i2caddr; 96 1.2.2.2 pgoyette 97 1.2.2.2 pgoyette sc->sc_dev = self; 98 1.2.2.2 pgoyette 99 1.2.2.2 pgoyette aprint_naive("\n"); 100 1.2.2.2 pgoyette 101 1.2.2.2 pgoyette rv = acpi_eval_integer(aa->aa_node->ad_handle, "_IFT", &itype); 102 1.2.2.2 pgoyette if (ACPI_FAILURE(rv)) { 103 1.2.2.2 pgoyette aprint_error("no _IFT\n"); 104 1.2.2.2 pgoyette return; 105 1.2.2.2 pgoyette } 106 1.2.2.2 pgoyette 107 1.2.2.2 pgoyette rv = acpi_eval_integer(aa->aa_node->ad_handle, "_SRV", &ivers); 108 1.2.2.2 pgoyette if (ACPI_FAILURE(rv)) { 109 1.2.2.2 pgoyette aprint_error("no _SRV\n"); 110 1.2.2.2 pgoyette return; 111 1.2.2.2 pgoyette } 112 1.2.2.2 pgoyette 113 1.2.2.2 pgoyette switch (itype) { 114 1.2.2.2 pgoyette case IPMI_IF_KCS: 115 1.2.2.2 pgoyette case IPMI_IF_SMIC: 116 1.2.2.2 pgoyette case IPMI_IF_BT: 117 1.2.2.2 pgoyette rv = acpi_resource_parse(self, aa->aa_node->ad_handle, "_CRS", 118 1.2.2.2 pgoyette &res, &acpi_resource_parse_ops_default); 119 1.2.2.2 pgoyette if (ACPI_FAILURE(rv)) { 120 1.2.2.2 pgoyette aprint_normal("\n"); 121 1.2.2.2 pgoyette aprint_error_dev(self, "no resources\n"); 122 1.2.2.2 pgoyette return; 123 1.2.2.2 pgoyette } 124 1.2.2.2 pgoyette 125 1.2.2.2 pgoyette acpi_resource_print(self, &res); 126 1.2.2.2 pgoyette 127 1.2.2.2 pgoyette io = acpi_res_io(&res, 0); 128 1.2.2.2 pgoyette mem = acpi_res_mem(&res, 0); 129 1.2.2.2 pgoyette if (io == NULL && mem == NULL) { 130 1.2.2.2 pgoyette aprint_error_dev(self, "no resources\n"); 131 1.2.2.2 pgoyette return; 132 1.2.2.2 pgoyette } 133 1.2.2.2 pgoyette 134 1.2.2.2 pgoyette #if notyet 135 1.2.2.2 pgoyette if ((irq = acpi_res_irq(&res, 0)) != NULL) { 136 1.2.2.2 pgoyette aprint_normal_dev(self, "IRQ %d type %d\n", 137 1.2.2.2 pgoyette irq->ar_irq, irq->ar_type); 138 1.2.2.2 pgoyette } else { 139 1.2.2.2 pgoyette aprint_error_dev(self, "no interrupt\n"); 140 1.2.2.2 pgoyette } 141 1.2.2.2 pgoyette #endif 142 1.2.2.2 pgoyette ia->iaa_iot = aa->aa_iot; 143 1.2.2.2 pgoyette ia->iaa_memt = aa->aa_memt; 144 1.2.2.2 pgoyette 145 1.2.2.2 pgoyette ia->iaa_if_type = itype; 146 1.2.2.2 pgoyette ia->iaa_if_rev = ivers; 147 1.2.2.2 pgoyette ia->iaa_if_iotype = io ? 'i' : 'm'; 148 1.2.2.2 pgoyette ia->iaa_if_iobase = io ? io->ar_base : mem->ar_base; 149 1.2.2.2 pgoyette ia->iaa_if_iospacing = 1; 150 1.2.2.2 pgoyette ia->iaa_if_irq = -1; 151 1.2.2.2 pgoyette ia->iaa_if_irqlvl = 0; 152 1.2.2.2 pgoyette 153 1.2.2.2 pgoyette reg2 = 0; 154 1.2.2.2 pgoyette if (io) { 155 1.2.2.2 pgoyette io = acpi_res_io(&res, 1); 156 1.2.2.2 pgoyette if (io != NULL) 157 1.2.2.2 pgoyette reg2 = (bus_addr_t)io->ar_base; 158 1.2.2.2 pgoyette } else { 159 1.2.2.2 pgoyette mem = acpi_res_mem(&res, 1); 160 1.2.2.2 pgoyette if (mem != NULL) 161 1.2.2.2 pgoyette reg2 = mem->ar_base; 162 1.2.2.2 pgoyette } 163 1.2.2.2 pgoyette 164 1.2.2.2 pgoyette if (reg2 > ia->iaa_if_iobase) 165 1.2.2.2 pgoyette ia->iaa_if_iospacing = reg2 - ia->iaa_if_iobase; 166 1.2.2.2 pgoyette 167 1.2.2.2 pgoyette config_found_ia(self, "ipmibus", ia, 0); 168 1.2.2.2 pgoyette 169 1.2.2.2 pgoyette break; 170 1.2.2.2 pgoyette case IPMI_IF_SSIF: 171 1.2.2.2 pgoyette rv = acpi_eval_integer(aa->aa_node->ad_handle, "_ADR", &adr); 172 1.2.2.2 pgoyette if (ACPI_FAILURE(rv)) { 173 1.2.2.2 pgoyette aprint_normal("\n"); 174 1.2.2.2 pgoyette aprint_error_dev(self, "no resources\n"); 175 1.2.2.2 pgoyette return; 176 1.2.2.2 pgoyette } 177 1.2.2.3 pgoyette if (adr > 65535) { 178 1.2.2.3 pgoyette aprint_normal("\n"); 179 1.2.2.3 pgoyette aprint_error_dev(self, "i2c address out of range\n"); 180 1.2.2.3 pgoyette return; 181 1.2.2.3 pgoyette } 182 1.2.2.3 pgoyette i2caddr = adr; 183 1.2.2.3 pgoyette 184 1.2.2.3 pgoyette aprint_normal(": i2c 0x%x\n", i2caddr); 185 1.2.2.2 pgoyette break; 186 1.2.2.2 pgoyette default: 187 1.2.2.2 pgoyette aprint_normal("\n"); 188 1.2.2.2 pgoyette aprint_error_dev(self, "unknown interface type\n"); 189 1.2.2.2 pgoyette return; 190 1.2.2.2 pgoyette } 191 1.2.2.2 pgoyette 192 1.2.2.2 pgoyette sc->sc_init = true; 193 1.2.2.2 pgoyette 194 1.2.2.2 pgoyette if (!pmf_device_register(self, NULL, NULL)) 195 1.2.2.2 pgoyette aprint_error_dev(self, "couldn't establish power handler\n"); 196 1.2.2.2 pgoyette } 197 1.2.2.2 pgoyette 198 1.2.2.2 pgoyette static int 199 1.2.2.2 pgoyette ipmi_acpi_detach(device_t self, int flags) 200 1.2.2.2 pgoyette { 201 1.2.2.2 pgoyette struct ipmi_acpi_softc *sc = device_private(self); 202 1.2.2.2 pgoyette int rc; 203 1.2.2.2 pgoyette 204 1.2.2.2 pgoyette if (!sc->sc_init) 205 1.2.2.2 pgoyette return 0; 206 1.2.2.2 pgoyette 207 1.2.2.2 pgoyette rc = config_detach_children(self, flags); 208 1.2.2.2 pgoyette if (rc) 209 1.2.2.2 pgoyette return rc; 210 1.2.2.2 pgoyette 211 1.2.2.2 pgoyette pmf_device_deregister(self); 212 1.2.2.2 pgoyette return 0; 213 1.2.2.2 pgoyette } 214
Indexes created Fri Oct 03 02:09:57 GMT 2025