if_wi_obio.c revision 1.17
1/* $NetBSD: if_wi_obio.c,v 1.17 2007/12/11 21:00:22 macallan Exp $ */ 2 3/*- 4 * Copyright (c) 2001 Tsubai Masanari. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30__KERNEL_RCSID(0, "$NetBSD: if_wi_obio.c,v 1.17 2007/12/11 21:00:22 macallan Exp $"); 31 32#include "opt_inet.h" 33 34#include <sys/param.h> 35#include <sys/callout.h> 36#include <sys/device.h> 37#include <sys/socket.h> 38#include <sys/systm.h> 39 40#ifdef INET 41#include <net/if.h> 42#include <net/if_ether.h> 43#include <net/if_media.h> 44#include <net80211/ieee80211_var.h> 45#include <net80211/ieee80211_radiotap.h> 46#include <net80211/ieee80211_rssadapt.h> 47#endif 48 49#include <machine/autoconf.h> 50#include <machine/bus.h> 51 52#include <dev/ic/wi_ieee.h> 53#include <dev/ic/wireg.h> 54#include <dev/ic/wivar.h> 55 56static int wi_obio_match(struct device *, struct cfdata *, void *); 57static void wi_obio_attach(struct device *, struct device *, void *); 58static int wi_obio_enable(struct wi_softc *); 59static void wi_obio_disable(struct wi_softc *); 60 61struct wi_obio_softc { 62 struct wi_softc sc_wi; 63 bus_space_tag_t sc_tag; 64 bus_space_handle_t sc_bsh; 65 bus_space_handle_t sc_fcr2h; 66 bus_space_handle_t sc_gpioh; 67 bus_space_handle_t sc_extint_gpioh; 68}; 69 70CFATTACH_DECL(wi_obio, sizeof(struct wi_obio_softc), 71 wi_obio_match, wi_obio_attach, NULL, NULL); 72 73int 74wi_obio_match(struct device *parent, struct cfdata *match, void *aux) 75{ 76 struct confargs *ca = aux; 77 78 if (ca->ca_nintr < 4 || ca->ca_nreg < 8) 79 return 0; 80 81 if (strcmp(ca->ca_name, "radio") != 0) 82 return 0; 83 84 return 1; 85} 86 87void 88wi_obio_attach(struct device *parent, struct device *self, void *aux) 89{ 90 struct wi_obio_softc * const sc = (void *)self; 91 struct wi_softc * const wisc = &sc->sc_wi; 92 struct confargs * const ca = aux; 93 94 aprint_normal(" irq %d:", ca->ca_intr[0]); 95 intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_NET, wi_intr, sc); 96 97 sc->sc_tag = wisc->sc_iot = ca->ca_tag; 98 bus_space_map(sc->sc_tag, 0x8000000, 0x20000, 0, &sc->sc_bsh); 99 bus_space_subregion(sc->sc_tag, sc->sc_bsh, 0x40, 4, &sc->sc_fcr2h); 100 bus_space_subregion(sc->sc_tag, sc->sc_bsh, 0x6a, 16, &sc->sc_gpioh); 101 bus_space_subregion(sc->sc_tag, sc->sc_bsh, 0x58, 16, &sc->sc_extint_gpioh); 102 103 if (bus_space_map(wisc->sc_iot, ca->ca_baseaddr + ca->ca_reg[0], 104 ca->ca_reg[1], 0, &wisc->sc_ioh)) { 105 printf(" can't map i/o space\n"); 106 return; 107 } 108 109 wisc->sc_enabled = 1; 110 wisc->sc_enable = wi_obio_enable; 111 wisc->sc_disable = wi_obio_disable; 112 113 if (wi_attach(wisc, 0)) { 114 printf("%s: failed to attach controller\n", self->dv_xname); 115 return; 116 } 117 118 if (!pmf_device_register(self, NULL, NULL)) 119 aprint_error_dev(self, "couldn't establish power handler\n"); 120 else 121 pmf_class_network_register(self, &sc->sc_wi.sc_if); 122 123 /* Disable the card. */ 124 wisc->sc_enabled = 0; 125 wi_obio_disable(wisc); 126} 127 128int 129wi_obio_enable(struct wi_softc *wisc) 130{ 131 struct wi_obio_softc * const sc = (void *)wisc; 132 uint32_t x; 133 134 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 135 x |= 0x4; 136 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 137 138 /* Enable card slot. */ 139 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0f, 5); 140 delay(1000); 141 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0f, 4); 142 delay(1000); 143 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 144 x &= ~0x8000000; 145 146 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 147 /* out8(gpio + 0x10, 4); */ 148 149 bus_space_write_1(sc->sc_tag, sc->sc_extint_gpioh, 0x0b, 0); 150 bus_space_write_1(sc->sc_tag, sc->sc_extint_gpioh, 0x0a, 0x28); 151 bus_space_write_1(sc->sc_tag, sc->sc_extint_gpioh, 0x0d, 0x28); 152 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0d, 0x28); 153 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0e, 0x28); 154 bus_space_write_4(sc->sc_tag, sc->sc_bsh, 0x1c000, 0); 155 156 /* Initialize the card. */ 157 bus_space_write_4(sc->sc_tag, sc->sc_bsh, 0x1a3e0, 0x41); 158 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 159 x |= 0x8000000; 160 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 161 162 return 0; 163} 164 165void 166wi_obio_disable(struct wi_softc *wisc) 167{ 168 struct wi_obio_softc * const sc = (void *)wisc; 169 uint32_t x; 170 171 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 172 x &= ~0x4; 173 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 174 /* out8(gpio + 0x10, 0); */ 175} 176