wb_acpi.c revision 1.2.2.2
1 1.2.2.2 yamt /* $NetBSD: wb_acpi.c,v 1.2.2.2 2010/03/11 15:03:23 yamt Exp $ */ 2 1.2.2.2 yamt 3 1.2.2.2 yamt /* 4 1.2.2.2 yamt * Copyright (c) 2009 Jared D. McNeill <jmcneill (at) invisible.ca> 5 1.2.2.2 yamt * All rights reserved. 6 1.2.2.2 yamt * 7 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 yamt * modification, are permitted provided that the following conditions 9 1.2.2.2 yamt * are met: 10 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 yamt * 2. The name of the author may not be used to endorse or promote products 13 1.2.2.2 yamt * derived from this software without specific prior written permission. 14 1.2.2.2 yamt * 15 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 1.2.2.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 1.2.2.2 yamt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 1.2.2.2 yamt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 1.2.2.2 yamt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 1.2.2.2 yamt * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 1.2.2.2 yamt * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 1.2.2.2 yamt * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 1.2.2.2 yamt * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 1.2.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 1.2.2.2 yamt * SUCH DAMAGE. 26 1.2.2.2 yamt */ 27 1.2.2.2 yamt 28 1.2.2.2 yamt #include <sys/cdefs.h> 29 1.2.2.2 yamt __KERNEL_RCSID(0, "$NetBSD: wb_acpi.c,v 1.2.2.2 2010/03/11 15:03:23 yamt Exp $"); 30 1.2.2.2 yamt 31 1.2.2.2 yamt #include <sys/param.h> 32 1.2.2.2 yamt #include <sys/device.h> 33 1.2.2.2 yamt #include <sys/systm.h> 34 1.2.2.2 yamt 35 1.2.2.2 yamt #include <dev/acpi/acpivar.h> 36 1.2.2.2 yamt 37 1.2.2.2 yamt #include <dev/ic/w83l518dvar.h> 38 1.2.2.2 yamt #include <dev/ic/w83l518dreg.h> 39 1.2.2.2 yamt 40 1.2.2.2 yamt #include <dev/isa/isadmavar.h> 41 1.2.2.2 yamt 42 1.2.2.2 yamt #include <dev/sdmmc/sdmmcvar.h> 43 1.2.2.2 yamt 44 1.2.2.2 yamt static int wb_acpi_match(device_t, cfdata_t, void *); 45 1.2.2.2 yamt static void wb_acpi_attach(device_t, device_t, void *); 46 1.2.2.2 yamt static int wb_acpi_detach(device_t, int); 47 1.2.2.2 yamt 48 1.2.2.2 yamt struct wb_acpi_softc { 49 1.2.2.2 yamt struct wb_softc sc_wb; 50 1.2.2.2 yamt isa_chipset_tag_t sc_ic; 51 1.2.2.2 yamt void *sc_ih; 52 1.2.2.2 yamt int sc_ioh_length; 53 1.2.2.2 yamt }; 54 1.2.2.2 yamt 55 1.2.2.2 yamt CFATTACH_DECL_NEW(wb_acpi, sizeof(struct wb_acpi_softc), 56 1.2.2.2 yamt wb_acpi_match, 57 1.2.2.2 yamt wb_acpi_attach, 58 1.2.2.2 yamt wb_acpi_detach, 59 1.2.2.2 yamt NULL 60 1.2.2.2 yamt ); 61 1.2.2.2 yamt 62 1.2.2.2 yamt static const char * const wb_acpi_ids[] = { 63 1.2.2.2 yamt #if notyet 64 1.2.2.2 yamt "WEC0515", /* Memory Stick interface */ 65 1.2.2.2 yamt #endif 66 1.2.2.2 yamt "WEC0517", /* SD Memory Card interface */ 67 1.2.2.2 yamt NULL 68 1.2.2.2 yamt }; 69 1.2.2.2 yamt 70 1.2.2.2 yamt static int 71 1.2.2.2 yamt wb_acpi_match(device_t parent, cfdata_t match, void *opaque) 72 1.2.2.2 yamt { 73 1.2.2.2 yamt struct acpi_attach_args *aa = opaque; 74 1.2.2.2 yamt 75 1.2.2.2 yamt if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 76 1.2.2.2 yamt return 0; 77 1.2.2.2 yamt 78 1.2.2.2 yamt return acpi_match_hid(aa->aa_node->ad_devinfo, wb_acpi_ids); 79 1.2.2.2 yamt } 80 1.2.2.2 yamt 81 1.2.2.2 yamt static void 82 1.2.2.2 yamt wb_acpi_attach(device_t parent, device_t self, void *opaque) 83 1.2.2.2 yamt { 84 1.2.2.2 yamt struct wb_acpi_softc *sc = device_private(self); 85 1.2.2.2 yamt struct acpi_attach_args *aa = opaque; 86 1.2.2.2 yamt struct acpi_resources res; 87 1.2.2.2 yamt struct acpi_io *io; 88 1.2.2.2 yamt struct acpi_irq *irq; 89 1.2.2.2 yamt bus_space_handle_t ioh; 90 1.2.2.2 yamt ACPI_STATUS rv; 91 1.2.2.2 yamt 92 1.2.2.2 yamt sc->sc_ic = aa->aa_ic; 93 1.2.2.2 yamt 94 1.2.2.2 yamt rv = acpi_resource_parse(self, aa->aa_node->ad_handle, "_CRS", 95 1.2.2.2 yamt &res, &acpi_resource_parse_ops_default); 96 1.2.2.2 yamt if (ACPI_FAILURE(rv)) 97 1.2.2.2 yamt return; 98 1.2.2.2 yamt 99 1.2.2.2 yamt io = acpi_res_io(&res, 0); 100 1.2.2.2 yamt irq = acpi_res_irq(&res, 0); 101 1.2.2.2 yamt if (io == NULL || irq == NULL) { 102 1.2.2.2 yamt aprint_error_dev(self, "incomplete resources\n"); 103 1.2.2.2 yamt goto cleanup; 104 1.2.2.2 yamt } 105 1.2.2.2 yamt 106 1.2.2.2 yamt if (bus_space_map(aa->aa_iot, io->ar_base, io->ar_length, 0, &ioh)) { 107 1.2.2.2 yamt aprint_error_dev(self, "couldn't map registers\n"); 108 1.2.2.2 yamt goto cleanup; 109 1.2.2.2 yamt } 110 1.2.2.2 yamt sc->sc_ioh_length = io->ar_length; 111 1.2.2.2 yamt 112 1.2.2.2 yamt sc->sc_ih = isa_intr_establish(sc->sc_ic, irq->ar_irq, 113 1.2.2.2 yamt (irq->ar_type == ACPI_EDGE_SENSITIVE) ? IST_EDGE : IST_LEVEL, 114 1.2.2.2 yamt IPL_SDMMC, wb_intr, &sc->sc_wb); 115 1.2.2.2 yamt if (sc->sc_ih == NULL) { 116 1.2.2.2 yamt aprint_error_dev(self, 117 1.2.2.2 yamt "couldn't establish interrupt handler\n"); 118 1.2.2.2 yamt goto cleanup; 119 1.2.2.2 yamt } 120 1.2.2.2 yamt 121 1.2.2.2 yamt sc->sc_wb.wb_dev = self; 122 1.2.2.2 yamt sc->sc_wb.wb_type = WB_DEVNO_SD; 123 1.2.2.2 yamt sc->sc_wb.wb_iot = aa->aa_iot; 124 1.2.2.2 yamt sc->sc_wb.wb_ioh = ioh; 125 1.2.2.2 yamt sc->sc_wb.wb_irq = irq->ar_irq; 126 1.2.2.2 yamt sc->sc_wb.wb_base = io->ar_base; 127 1.2.2.2 yamt wb_attach(&sc->sc_wb); 128 1.2.2.2 yamt 129 1.2.2.2 yamt cleanup: 130 1.2.2.2 yamt acpi_resource_cleanup(&res); 131 1.2.2.2 yamt } 132 1.2.2.2 yamt 133 1.2.2.2 yamt static int 134 1.2.2.2 yamt wb_acpi_detach(device_t self, int flags) 135 1.2.2.2 yamt { 136 1.2.2.2 yamt struct wb_acpi_softc *sc = device_private(self); 137 1.2.2.2 yamt int rv; 138 1.2.2.2 yamt 139 1.2.2.2 yamt rv = wb_detach(&sc->sc_wb, flags); 140 1.2.2.2 yamt if (rv) 141 1.2.2.2 yamt return rv; 142 1.2.2.2 yamt 143 1.2.2.2 yamt if (sc->sc_ih) 144 1.2.2.2 yamt isa_intr_disestablish(sc->sc_ic, sc->sc_ih); 145 1.2.2.2 yamt 146 1.2.2.2 yamt if (sc->sc_ioh_length > 0) 147 1.2.2.2 yamt bus_space_unmap(sc->sc_wb.wb_iot, sc->sc_wb.wb_ioh, 148 1.2.2.2 yamt sc->sc_ioh_length); 149 1.2.2.2 yamt 150 1.2.2.2 yamt return 0; 151 1.2.2.2 yamt } 152
Indexes created Mon Nov 03 23:09:52 GMT 2025