1 /* $NetBSD: if_wi_obio.c,v 1.15 2007/10/22 19:29:13 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 1.15 2007/10/22 19:29:13 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 56 static int wi_obio_match(struct device *, struct cfdata *, void *); 57 static void wi_obio_attach(struct device *, struct device *, void *); 58 static int wi_obio_enable(struct wi_softc *); 59 static void wi_obio_disable(struct wi_softc *); 60 61 struct 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 72 CFATTACH_DECL(wi_obio, sizeof(struct wi_obio_softc), 73 wi_obio_match, wi_obio_attach, NULL, NULL); 74 75 int 76 wi_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 89 void 90 wi_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 sc->sc_tag = 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_baseaddr + ca->ca_reg[0], 106 ca->ca_reg[1], 0, &wisc->sc_ioh)) { 107 printf(" can't map i/o space\n"); 108 return; 109 } 110 111 wisc->sc_enabled = 1; 112 wisc->sc_enable = wi_obio_enable; 113 wisc->sc_disable = wi_obio_disable; 114 115 if (wi_attach(wisc, 0)) { 116 printf("%s: failed to attach controller\n", self->dv_xname); 117 return; 118 } 119 120 sc->sc_sdhook = shutdownhook_establish( 121 (void (*)(void *))wi_shutdown, wisc); 122 sc->sc_powerhook = powerhook_establish( 123 self->dv_xname, (void (*)(int, void *))wi_power, wisc); 124 125 /* Disable the card. */ 126 wisc->sc_enabled = 0; 127 wi_obio_disable(wisc); 128 } 129 130 int 131 wi_obio_enable(struct wi_softc *wisc) 132 { 133 struct wi_obio_softc * const sc = (void *)wisc; 134 uint32_t x; 135 136 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 137 x |= 0x4; 138 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 139 140 /* Enable card slot. */ 141 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0f, 5); 142 delay(1000); 143 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0f, 4); 144 delay(1000); 145 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 146 x &= ~0x8000000; 147 148 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 149 /* out8(gpio + 0x10, 4); */ 150 151 bus_space_write_1(sc->sc_tag, sc->sc_extint_gpioh, 0x0b, 0); 152 bus_space_write_1(sc->sc_tag, sc->sc_extint_gpioh, 0x0a, 0x28); 153 bus_space_write_1(sc->sc_tag, sc->sc_extint_gpioh, 0x0d, 0x28); 154 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0d, 0x28); 155 bus_space_write_1(sc->sc_tag, sc->sc_gpioh, 0x0e, 0x28); 156 bus_space_write_4(sc->sc_tag, sc->sc_bsh, 0x1c000, 0); 157 158 /* Initialize the card. */ 159 bus_space_write_4(sc->sc_tag, sc->sc_bsh, 0x1a3e0, 0x41); 160 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 161 x |= 0x8000000; 162 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 163 164 return 0; 165 } 166 167 void 168 wi_obio_disable(struct wi_softc *wisc) 169 { 170 struct wi_obio_softc * const sc = (void *)wisc; 171 uint32_t x; 172 173 x = bus_space_read_4(sc->sc_tag, sc->sc_fcr2h, 0); 174 x &= ~0x4; 175 bus_space_write_4(sc->sc_tag, sc->sc_fcr2h, 0, x); 176 /* out8(gpio + 0x10, 0); */ 177 } 178