if_wi_obio.c revision 1.14
1/* $NetBSD: if_wi_obio.c,v 1.14 2007/10/17 19:55:18 garbled 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 1.14 2007/10/17 19:55:18 garbled 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 void *sc_powerhook; 64 void *sc_sdhook; 65 bus_space_tag_t sc_tag; 66 bus_space_handle_t sc_bsh; 67 bus_space_handle_t sc_fcr2h; 68 bus_space_handle_t sc_gpioh; 69 bus_space_handle_t sc_extint_gpioh; 70}; 71 72CFATTACH_DECL(wi_obio, sizeof(struct wi_obio_softc), 73 wi_obio_match, wi_obio_attach, NULL, NULL); 74 75int 76wi_obio_match(struct device *parent, struct cfdata *match, void *aux) 77{ 78 struct confargs *ca = aux; 79 80 if (ca->ca_nintr < 4 || ca->ca_nreg < 8) 81 return 0; 82 83 if (strcmp(ca->ca_name, "radio") != 0) 84 return 0; 85 86 return 1; 87} 88 89void 90wi_obio_attach(struct device *parent, struct device *self, void *aux) 91{ 92 struct wi_obio_softc * const sc = (void *)self; 93 struct wi_softc * const wisc = &sc->sc_wi; 94 struct confargs * const ca = aux; 95 96 aprint_normal(" irq %d:", ca->ca_intr[0]); 97 intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_NET, wi_intr, sc); 98 99 wisc->sc_iot = ca->ca_tag; 100 bus_space_map(sc->sc_tag, 0x8000000, 0x20000, 0, &sc->sc_bsh); 101 bus_space_subregion(sc->sc_tag, sc->sc_bsh, 0x40, 4, &sc->sc_fcr2h); 102 bus_space_subregion(sc->sc_tag, sc->sc_bsh, 0x6a, 16, &sc->sc_gpioh); 103 bus_space_subregion(sc->sc_tag, sc->sc_bsh, 0x58, 16, &sc->sc_extint_gpioh); 104 105 if (bus_space_map(wisc->sc_iot, ca->ca_reg[0], ca->ca_reg[1], 0, &wisc->sc_ioh)) { 106 printf(" can't map i/o space\n"); 107 return; 108 } 109 110 wisc->sc_enabled = 1; 111 wisc->sc_enable = wi_obio_enable; 112 wisc->sc_disable = wi_obio_disable; 113 114 if (wi_attach(wisc, 0)) { 115 printf("%s: failed to attach controller\n", self->dv_xname); 116 return; 117 } 118 119 sc->sc_sdhook = shutdownhook_establish( 120 (void (*)(void *))wi_shutdown, wisc); 121 sc->sc_powerhook = powerhook_establish( 122 self->dv_xname, (void (*)(int, void *))wi_power, wisc); 123 124 /* Disable the card. */ 125 wisc->sc_enabled = 0; 126 wi_obio_disable(wisc); 127} 128 129int 130wi_obio_enable(struct wi_softc *wisc) 131{ 132 struct wi_obio_softc * const sc = (void *)wisc; 133 uint32_t x; 134 135 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 136 x |= 0x4; 137 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 138 139 /* Enable card slot. */ 140 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0f, 5); 141 delay(1000); 142 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0f, 4); 143 delay(1000); 144 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 145 x &= ~0x8000000; 146 147 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 148 /* out8(gpio + 0x10, 4); */ 149 150 bus_space_write_1(sc->sc_tag, sc->sc_extint_gpioh, 0x0b, 0); 151 bus_space_write_1(sc->sc_tag, sc->sc_extint_gpioh, 0x0a, 0x28); 152 bus_space_write_1(sc->sc_tag, sc->sc_extint_gpioh, 0x0d, 0x28); 153 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0d, 0x28); 154 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0e, 0x28); 155 bus_space_write_4(sc->sc_tag, sc->sc_bsh, 0x1c000, 0); 156 157 /* Initialize the card. */ 158 bus_space_write_4(sc->sc_tag, sc->sc_bsh, 0x1a3e0, 0x41); 159 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 160 x |= 0x8000000; 161 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 162 163 return 0; 164} 165 166void 167wi_obio_disable(struct wi_softc *wisc) 168{ 169 struct wi_obio_softc * const sc = (void *)wisc; 170 uint32_t x; 171 172 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 173 x &= ~0x4; 174 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 175 /* out8(gpio + 0x10, 0); */ 176} 177