if_rtw_cardbus.c revision 1.2.2.6
1 1.2.2.6 skrll /* $NetBSD: if_rtw_cardbus.c,v 1.2.2.6 2005/11/10 14:03:54 skrll Exp $ */ 2 1.2.2.2 skrll 3 1.2.2.2 skrll /*- 4 1.2.2.2 skrll * Copyright (c) 2004, 2005 David Young. All rights reserved. 5 1.2.2.2 skrll * 6 1.2.2.2 skrll * Adapted for the RTL8180 by David Young. 7 1.2.2.2 skrll * 8 1.2.2.2 skrll * Redistribution and use in source and binary forms, with or without 9 1.2.2.2 skrll * modification, are permitted provided that the following conditions 10 1.2.2.2 skrll * are met: 11 1.2.2.2 skrll * 1. Redistributions of source code must retain the above copyright 12 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer. 13 1.2.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 14 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer in the 15 1.2.2.2 skrll * documentation and/or other materials provided with the distribution. 16 1.2.2.2 skrll * 3. The name of David Young may not be used to endorse or promote 17 1.2.2.2 skrll * products derived from this software without specific prior 18 1.2.2.2 skrll * written permission. 19 1.2.2.2 skrll * 20 1.2.2.2 skrll * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY 21 1.2.2.2 skrll * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 1.2.2.2 skrll * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 23 1.2.2.2 skrll * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL David 24 1.2.2.2 skrll * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 1.2.2.2 skrll * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 26 1.2.2.2 skrll * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 1.2.2.2 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 1.2.2.2 skrll * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 1.2.2.2 skrll * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 1.2.2.2 skrll * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31 1.2.2.2 skrll * OF SUCH DAMAGE. 32 1.2.2.2 skrll */ 33 1.2.2.2 skrll /*- 34 1.2.2.2 skrll * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc. 35 1.2.2.2 skrll * All rights reserved. 36 1.2.2.2 skrll * 37 1.2.2.2 skrll * This code is derived from software contributed to The NetBSD Foundation 38 1.2.2.2 skrll * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 39 1.2.2.2 skrll * NASA Ames Research Center. 40 1.2.2.2 skrll * 41 1.2.2.2 skrll * Redistribution and use in source and binary forms, with or without 42 1.2.2.2 skrll * modification, are permitted provided that the following conditions 43 1.2.2.2 skrll * are met: 44 1.2.2.2 skrll * 1. Redistributions of source code must retain the above copyright 45 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer. 46 1.2.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 47 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer in the 48 1.2.2.2 skrll * documentation and/or other materials provided with the distribution. 49 1.2.2.2 skrll * 3. All advertising materials mentioning features or use of this software 50 1.2.2.2 skrll * must display the following acknowledgement: 51 1.2.2.2 skrll * This product includes software developed by the NetBSD 52 1.2.2.2 skrll * Foundation, Inc. and its contributors. 53 1.2.2.2 skrll * 4. Neither the name of The NetBSD Foundation nor the names of its 54 1.2.2.2 skrll * contributors may be used to endorse or promote products derived 55 1.2.2.2 skrll * from this software without specific prior written permission. 56 1.2.2.2 skrll * 57 1.2.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 58 1.2.2.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 59 1.2.2.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 60 1.2.2.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 61 1.2.2.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 62 1.2.2.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 63 1.2.2.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 64 1.2.2.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 65 1.2.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 66 1.2.2.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 67 1.2.2.2 skrll * POSSIBILITY OF SUCH DAMAGE. 68 1.2.2.2 skrll */ 69 1.2.2.2 skrll 70 1.2.2.2 skrll /* 71 1.2.2.2 skrll * Cardbus front-end for the Realtek RTL8180 802.11 MAC/BBP driver. 72 1.2.2.2 skrll * 73 1.2.2.2 skrll * TBD factor with atw, tlp Cardbus front-ends? 74 1.2.2.2 skrll */ 75 1.2.2.2 skrll 76 1.2.2.2 skrll #include <sys/cdefs.h> 77 1.2.2.6 skrll __KERNEL_RCSID(0, "$NetBSD: if_rtw_cardbus.c,v 1.2.2.6 2005/11/10 14:03:54 skrll Exp $"); 78 1.2.2.2 skrll 79 1.2.2.2 skrll #include "opt_inet.h" 80 1.2.2.2 skrll #include "opt_ns.h" 81 1.2.2.2 skrll #include "bpfilter.h" 82 1.2.2.2 skrll 83 1.2.2.2 skrll #include <sys/param.h> 84 1.2.2.5 skrll #include <sys/systm.h> 85 1.2.2.5 skrll #include <sys/mbuf.h> 86 1.2.2.2 skrll #include <sys/malloc.h> 87 1.2.2.2 skrll #include <sys/kernel.h> 88 1.2.2.2 skrll #include <sys/socket.h> 89 1.2.2.2 skrll #include <sys/ioctl.h> 90 1.2.2.2 skrll #include <sys/errno.h> 91 1.2.2.2 skrll #include <sys/device.h> 92 1.2.2.2 skrll 93 1.2.2.2 skrll #include <machine/endian.h> 94 1.2.2.5 skrll 95 1.2.2.2 skrll #include <net/if.h> 96 1.2.2.2 skrll #include <net/if_dl.h> 97 1.2.2.2 skrll #include <net/if_media.h> 98 1.2.2.2 skrll #include <net/if_ether.h> 99 1.2.2.2 skrll 100 1.2.2.6 skrll #include <net80211/ieee80211_netbsd.h> 101 1.2.2.2 skrll #include <net80211/ieee80211_radiotap.h> 102 1.2.2.2 skrll #include <net80211/ieee80211_var.h> 103 1.2.2.2 skrll 104 1.2.2.5 skrll #if NBPFILTER > 0 105 1.2.2.2 skrll #include <net/bpf.h> 106 1.2.2.5 skrll #endif 107 1.2.2.2 skrll 108 1.2.2.2 skrll #ifdef INET 109 1.2.2.5 skrll #include <netinet/in.h> 110 1.2.2.2 skrll #include <netinet/if_inarp.h> 111 1.2.2.2 skrll #endif 112 1.2.2.2 skrll 113 1.2.2.2 skrll #ifdef NS 114 1.2.2.2 skrll #include <netns/ns.h> 115 1.2.2.2 skrll #include <netns/ns_if.h> 116 1.2.2.2 skrll #endif 117 1.2.2.2 skrll 118 1.2.2.2 skrll #include <machine/bus.h> 119 1.2.2.2 skrll #include <machine/intr.h> 120 1.2.2.2 skrll 121 1.2.2.2 skrll #include <dev/ic/rtwreg.h> 122 1.2.2.2 skrll #include <dev/ic/rtwvar.h> 123 1.2.2.2 skrll 124 1.2.2.2 skrll #include <dev/pci/pcivar.h> 125 1.2.2.2 skrll #include <dev/pci/pcireg.h> 126 1.2.2.2 skrll #include <dev/pci/pcidevs.h> 127 1.2.2.2 skrll 128 1.2.2.2 skrll #include <dev/cardbus/cardbusvar.h> 129 1.2.2.2 skrll #include <dev/pci/pcidevs.h> 130 1.2.2.2 skrll 131 1.2.2.2 skrll /* 132 1.2.2.2 skrll * PCI configuration space registers used by the RTL8180. 133 1.2.2.2 skrll */ 134 1.2.2.2 skrll #define RTW_PCI_IOBA 0x10 /* i/o mapped base */ 135 1.2.2.2 skrll #define RTW_PCI_MMBA 0x14 /* memory mapped base */ 136 1.2.2.2 skrll 137 1.2.2.2 skrll struct rtw_cardbus_softc { 138 1.2.2.2 skrll struct rtw_softc sc_rtw; /* real RTL8180 softc */ 139 1.2.2.2 skrll 140 1.2.2.2 skrll /* CardBus-specific goo. */ 141 1.2.2.2 skrll void *sc_ih; /* interrupt handle */ 142 1.2.2.2 skrll cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */ 143 1.2.2.2 skrll cardbustag_t sc_tag; /* our CardBus tag */ 144 1.2.2.2 skrll int sc_csr; /* CSR bits */ 145 1.2.2.2 skrll bus_size_t sc_mapsize; /* size of the mapped bus space 146 1.2.2.2 skrll * region 147 1.2.2.2 skrll */ 148 1.2.2.2 skrll 149 1.2.2.2 skrll int sc_cben; /* CardBus enables */ 150 1.2.2.2 skrll int sc_bar_reg; /* which BAR to use */ 151 1.2.2.2 skrll pcireg_t sc_bar_val; /* value of the BAR */ 152 1.2.2.2 skrll 153 1.2.2.2 skrll int sc_intrline; /* interrupt line */ 154 1.2.2.2 skrll }; 155 1.2.2.2 skrll 156 1.2.2.2 skrll int rtw_cardbus_match(struct device *, struct cfdata *, void *); 157 1.2.2.2 skrll void rtw_cardbus_attach(struct device *, struct device *, void *); 158 1.2.2.2 skrll int rtw_cardbus_detach(struct device *, int); 159 1.2.2.2 skrll 160 1.2.2.2 skrll CFATTACH_DECL(rtw_cardbus, sizeof(struct rtw_cardbus_softc), 161 1.2.2.2 skrll rtw_cardbus_match, rtw_cardbus_attach, rtw_cardbus_detach, rtw_activate); 162 1.2.2.2 skrll 163 1.2.2.2 skrll void rtw_cardbus_setup(struct rtw_cardbus_softc *); 164 1.2.2.2 skrll 165 1.2.2.2 skrll int rtw_cardbus_enable(struct rtw_softc *); 166 1.2.2.2 skrll void rtw_cardbus_disable(struct rtw_softc *); 167 1.2.2.2 skrll void rtw_cardbus_power(struct rtw_softc *, int); 168 1.2.2.2 skrll 169 1.2.2.2 skrll const struct rtw_cardbus_product *rtw_cardbus_lookup( 170 1.2.2.2 skrll const struct cardbus_attach_args *); 171 1.2.2.2 skrll 172 1.2.2.2 skrll const struct rtw_cardbus_product { 173 1.2.2.2 skrll u_int32_t rcp_vendor; /* PCI vendor ID */ 174 1.2.2.2 skrll u_int32_t rcp_product; /* PCI product ID */ 175 1.2.2.2 skrll const char *rcp_product_name; 176 1.2.2.2 skrll } rtw_cardbus_products[] = { 177 1.2.2.2 skrll { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8180, 178 1.2.2.2 skrll "Realtek RTL8180 802.11 MAC/BBP" }, 179 1.2.2.2 skrll 180 1.2.2.3 skrll { PCI_VENDOR_BELKIN, PCI_PRODUCT_BELKIN_F5D6020V3, 181 1.2.2.3 skrll "Belkin F5D6020v3 802.11b (RTL8180 MAC/BBP)" }, 182 1.2.2.3 skrll 183 1.2.2.2 skrll { 0, 0, NULL }, 184 1.2.2.2 skrll }; 185 1.2.2.2 skrll 186 1.2.2.2 skrll const struct rtw_cardbus_product * 187 1.2.2.2 skrll rtw_cardbus_lookup(ca) 188 1.2.2.2 skrll const struct cardbus_attach_args *ca; 189 1.2.2.2 skrll { 190 1.2.2.2 skrll const struct rtw_cardbus_product *rcp; 191 1.2.2.2 skrll 192 1.2.2.2 skrll for (rcp = rtw_cardbus_products; 193 1.2.2.2 skrll rcp->rcp_product_name != NULL; 194 1.2.2.2 skrll rcp++) { 195 1.2.2.2 skrll if (PCI_VENDOR(ca->ca_id) == rcp->rcp_vendor && 196 1.2.2.2 skrll PCI_PRODUCT(ca->ca_id) == rcp->rcp_product) 197 1.2.2.2 skrll return (rcp); 198 1.2.2.2 skrll } 199 1.2.2.2 skrll return (NULL); 200 1.2.2.2 skrll } 201 1.2.2.2 skrll 202 1.2.2.2 skrll int 203 1.2.2.2 skrll rtw_cardbus_match(parent, match, aux) 204 1.2.2.2 skrll struct device *parent; 205 1.2.2.2 skrll struct cfdata *match; 206 1.2.2.2 skrll void *aux; 207 1.2.2.2 skrll { 208 1.2.2.2 skrll struct cardbus_attach_args *ca = aux; 209 1.2.2.2 skrll 210 1.2.2.2 skrll if (rtw_cardbus_lookup(ca) != NULL) 211 1.2.2.2 skrll return (1); 212 1.2.2.2 skrll 213 1.2.2.2 skrll return (0); 214 1.2.2.2 skrll } 215 1.2.2.2 skrll 216 1.2.2.2 skrll static void 217 1.2.2.2 skrll rtw_cardbus_intr_ack(struct rtw_regs *regs) 218 1.2.2.2 skrll { 219 1.2.2.2 skrll RTW_WRITE(regs, RTW_FER, RTW_FER_INTR); 220 1.2.2.2 skrll } 221 1.2.2.2 skrll 222 1.2.2.2 skrll static void 223 1.2.2.2 skrll rtw_cardbus_funcregen(struct rtw_regs *regs, int enable) 224 1.2.2.2 skrll { 225 1.2.2.2 skrll u_int32_t reg; 226 1.2.2.2 skrll rtw_config0123_enable(regs, 1); 227 1.2.2.2 skrll reg = RTW_READ(regs, RTW_CONFIG3); 228 1.2.2.2 skrll if (enable) { 229 1.2.2.2 skrll RTW_WRITE(regs, RTW_CONFIG3, reg | RTW_CONFIG3_FUNCREGEN); 230 1.2.2.2 skrll } else { 231 1.2.2.2 skrll RTW_WRITE(regs, RTW_CONFIG3, reg & ~RTW_CONFIG3_FUNCREGEN); 232 1.2.2.2 skrll } 233 1.2.2.2 skrll rtw_config0123_enable(regs, 0); 234 1.2.2.2 skrll } 235 1.2.2.2 skrll 236 1.2.2.2 skrll void 237 1.2.2.2 skrll rtw_cardbus_attach(parent, self, aux) 238 1.2.2.2 skrll struct device *parent, *self; 239 1.2.2.2 skrll void *aux; 240 1.2.2.2 skrll { 241 1.2.2.2 skrll struct rtw_cardbus_softc *csc = (void *)self; 242 1.2.2.2 skrll struct rtw_softc *sc = &csc->sc_rtw; 243 1.2.2.2 skrll struct rtw_regs *regs = &sc->sc_regs; 244 1.2.2.2 skrll struct cardbus_attach_args *ca = aux; 245 1.2.2.2 skrll cardbus_devfunc_t ct = ca->ca_ct; 246 1.2.2.2 skrll const struct rtw_cardbus_product *rcp; 247 1.2.2.2 skrll bus_addr_t adr; 248 1.2.2.2 skrll int rev; 249 1.2.2.2 skrll 250 1.2.2.2 skrll sc->sc_dmat = ca->ca_dmat; 251 1.2.2.2 skrll csc->sc_ct = ct; 252 1.2.2.2 skrll csc->sc_tag = ca->ca_tag; 253 1.2.2.2 skrll 254 1.2.2.2 skrll rcp = rtw_cardbus_lookup(ca); 255 1.2.2.2 skrll if (rcp == NULL) { 256 1.2.2.2 skrll printf("\n"); 257 1.2.2.2 skrll panic("rtw_cardbus_attach: impossible"); 258 1.2.2.2 skrll } 259 1.2.2.2 skrll 260 1.2.2.2 skrll /* 261 1.2.2.2 skrll * Power management hooks. 262 1.2.2.2 skrll */ 263 1.2.2.2 skrll sc->sc_enable = rtw_cardbus_enable; 264 1.2.2.2 skrll sc->sc_disable = rtw_cardbus_disable; 265 1.2.2.2 skrll sc->sc_power = rtw_cardbus_power; 266 1.2.2.2 skrll 267 1.2.2.2 skrll sc->sc_intr_ack = rtw_cardbus_intr_ack; 268 1.2.2.2 skrll 269 1.2.2.2 skrll /* Get revision info. */ 270 1.2.2.2 skrll rev = PCI_REVISION(ca->ca_class); 271 1.2.2.2 skrll 272 1.2.2.2 skrll printf(": %s\n", rcp->rcp_product_name); 273 1.2.2.2 skrll 274 1.2.2.4 skrll RTW_DPRINTF(RTW_DEBUG_ATTACH, 275 1.2.2.4 skrll ("%s: pass %d.%d signature %08x\n", sc->sc_dev.dv_xname, 276 1.2.2.4 skrll (rev >> 4) & 0xf, rev & 0xf, 277 1.2.2.4 skrll cardbus_conf_read(ct->ct_cc, ct->ct_cf, csc->sc_tag, 0x80))); 278 1.2.2.2 skrll 279 1.2.2.2 skrll /* 280 1.2.2.2 skrll * Map the device. 281 1.2.2.2 skrll */ 282 1.2.2.2 skrll csc->sc_csr = CARDBUS_COMMAND_MASTER_ENABLE; 283 1.2.2.2 skrll if (Cardbus_mapreg_map(ct, RTW_PCI_MMBA, 284 1.2.2.2 skrll CARDBUS_MAPREG_TYPE_MEM, 0, ®s->r_bt, ®s->r_bh, &adr, 285 1.2.2.2 skrll &csc->sc_mapsize) == 0) { 286 1.2.2.4 skrll RTW_DPRINTF(RTW_DEBUG_ATTACH, 287 1.2.2.4 skrll ("%s: %s mapped %lu bytes mem space\n", 288 1.2.2.4 skrll sc->sc_dev.dv_xname, __func__, (long)csc->sc_mapsize)); 289 1.2.2.2 skrll #if rbus 290 1.2.2.2 skrll #else 291 1.2.2.2 skrll (*ct->ct_cf->cardbus_mem_open)(cc, 0, adr, adr+csc->sc_mapsize); 292 1.2.2.2 skrll #endif 293 1.2.2.2 skrll csc->sc_cben = CARDBUS_MEM_ENABLE; 294 1.2.2.2 skrll csc->sc_csr |= CARDBUS_COMMAND_MEM_ENABLE; 295 1.2.2.2 skrll csc->sc_bar_reg = RTW_PCI_MMBA; 296 1.2.2.2 skrll csc->sc_bar_val = adr | CARDBUS_MAPREG_TYPE_MEM; 297 1.2.2.2 skrll } else if (Cardbus_mapreg_map(ct, RTW_PCI_IOBA, 298 1.2.2.2 skrll CARDBUS_MAPREG_TYPE_IO, 0, ®s->r_bt, ®s->r_bh, &adr, 299 1.2.2.2 skrll &csc->sc_mapsize) == 0) { 300 1.2.2.4 skrll RTW_DPRINTF(RTW_DEBUG_ATTACH, 301 1.2.2.4 skrll ("%s: %s mapped %lu bytes I/O space\n", 302 1.2.2.4 skrll sc->sc_dev.dv_xname, __func__, (long)csc->sc_mapsize)); 303 1.2.2.2 skrll #if rbus 304 1.2.2.2 skrll #else 305 1.2.2.2 skrll (*ct->ct_cf->cardbus_io_open)(cc, 0, adr, adr+csc->sc_mapsize); 306 1.2.2.2 skrll #endif 307 1.2.2.2 skrll csc->sc_cben = CARDBUS_IO_ENABLE; 308 1.2.2.2 skrll csc->sc_csr |= CARDBUS_COMMAND_IO_ENABLE; 309 1.2.2.2 skrll csc->sc_bar_reg = RTW_PCI_IOBA; 310 1.2.2.2 skrll csc->sc_bar_val = adr | CARDBUS_MAPREG_TYPE_IO; 311 1.2.2.2 skrll } else { 312 1.2.2.2 skrll printf("%s: unable to map device registers\n", 313 1.2.2.2 skrll sc->sc_dev.dv_xname); 314 1.2.2.2 skrll return; 315 1.2.2.2 skrll } 316 1.2.2.2 skrll 317 1.2.2.2 skrll /* 318 1.2.2.2 skrll * Bring the chip out of powersave mode and initialize the 319 1.2.2.2 skrll * configuration registers. 320 1.2.2.2 skrll */ 321 1.2.2.2 skrll rtw_cardbus_setup(csc); 322 1.2.2.2 skrll 323 1.2.2.2 skrll /* Remember which interrupt line. */ 324 1.2.2.2 skrll csc->sc_intrline = ca->ca_intrline; 325 1.2.2.2 skrll 326 1.2.2.2 skrll printf("%s: interrupting at %d\n", sc->sc_dev.dv_xname, 327 1.2.2.2 skrll csc->sc_intrline); 328 1.2.2.2 skrll /* 329 1.2.2.2 skrll * Finish off the attach. 330 1.2.2.2 skrll */ 331 1.2.2.2 skrll rtw_attach(sc); 332 1.2.2.2 skrll 333 1.2.2.2 skrll rtw_cardbus_funcregen(regs, 1); 334 1.2.2.2 skrll 335 1.2.2.2 skrll RTW_WRITE(regs, RTW_FEMR, RTW_FEMR_INTR); 336 1.2.2.2 skrll RTW_WRITE(regs, RTW_FER, RTW_FER_INTR); 337 1.2.2.2 skrll 338 1.2.2.2 skrll /* 339 1.2.2.2 skrll * Power down the socket. 340 1.2.2.2 skrll */ 341 1.2.2.2 skrll Cardbus_function_disable(csc->sc_ct); 342 1.2.2.2 skrll } 343 1.2.2.2 skrll 344 1.2.2.2 skrll int 345 1.2.2.2 skrll rtw_cardbus_detach(self, flags) 346 1.2.2.2 skrll struct device *self; 347 1.2.2.2 skrll int flags; 348 1.2.2.2 skrll { 349 1.2.2.2 skrll struct rtw_cardbus_softc *csc = (void *)self; 350 1.2.2.2 skrll struct rtw_softc *sc = &csc->sc_rtw; 351 1.2.2.2 skrll struct rtw_regs *regs = &sc->sc_regs; 352 1.2.2.2 skrll struct cardbus_devfunc *ct = csc->sc_ct; 353 1.2.2.2 skrll int rv; 354 1.2.2.2 skrll 355 1.2.2.2 skrll #if defined(DIAGNOSTIC) 356 1.2.2.2 skrll if (ct == NULL) 357 1.2.2.2 skrll panic("%s: data structure lacks", sc->sc_dev.dv_xname); 358 1.2.2.2 skrll #endif 359 1.2.2.2 skrll 360 1.2.2.2 skrll rv = rtw_detach(sc); 361 1.2.2.2 skrll if (rv) 362 1.2.2.2 skrll return (rv); 363 1.2.2.2 skrll 364 1.2.2.2 skrll rtw_cardbus_funcregen(regs, 0); 365 1.2.2.2 skrll 366 1.2.2.2 skrll /* 367 1.2.2.2 skrll * Unhook the interrupt handler. 368 1.2.2.2 skrll */ 369 1.2.2.2 skrll if (csc->sc_ih != NULL) 370 1.2.2.2 skrll cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, csc->sc_ih); 371 1.2.2.2 skrll 372 1.2.2.2 skrll /* 373 1.2.2.2 skrll * Release bus space and close window. 374 1.2.2.2 skrll */ 375 1.2.2.2 skrll if (csc->sc_bar_reg != 0) 376 1.2.2.2 skrll Cardbus_mapreg_unmap(ct, csc->sc_bar_reg, 377 1.2.2.2 skrll regs->r_bt, regs->r_bh, csc->sc_mapsize); 378 1.2.2.2 skrll 379 1.2.2.2 skrll return (0); 380 1.2.2.2 skrll } 381 1.2.2.2 skrll 382 1.2.2.2 skrll int 383 1.2.2.2 skrll rtw_cardbus_enable(sc) 384 1.2.2.2 skrll struct rtw_softc *sc; 385 1.2.2.2 skrll { 386 1.2.2.2 skrll struct rtw_cardbus_softc *csc = (void *) sc; 387 1.2.2.2 skrll cardbus_devfunc_t ct = csc->sc_ct; 388 1.2.2.2 skrll cardbus_chipset_tag_t cc = ct->ct_cc; 389 1.2.2.2 skrll cardbus_function_tag_t cf = ct->ct_cf; 390 1.2.2.2 skrll 391 1.2.2.2 skrll /* 392 1.2.2.2 skrll * Power on the socket. 393 1.2.2.2 skrll */ 394 1.2.2.2 skrll Cardbus_function_enable(ct); 395 1.2.2.2 skrll 396 1.2.2.2 skrll /* 397 1.2.2.2 skrll * Set up the PCI configuration registers. 398 1.2.2.2 skrll */ 399 1.2.2.2 skrll rtw_cardbus_setup(csc); 400 1.2.2.2 skrll 401 1.2.2.2 skrll /* 402 1.2.2.2 skrll * Map and establish the interrupt. 403 1.2.2.2 skrll */ 404 1.2.2.2 skrll csc->sc_ih = cardbus_intr_establish(cc, cf, csc->sc_intrline, IPL_NET, 405 1.2.2.2 skrll rtw_intr, sc); 406 1.2.2.2 skrll if (csc->sc_ih == NULL) { 407 1.2.2.2 skrll printf("%s: unable to establish interrupt at %d\n", 408 1.2.2.2 skrll sc->sc_dev.dv_xname, csc->sc_intrline); 409 1.2.2.2 skrll Cardbus_function_disable(csc->sc_ct); 410 1.2.2.2 skrll return (1); 411 1.2.2.2 skrll } 412 1.2.2.2 skrll 413 1.2.2.2 skrll rtw_cardbus_funcregen(&sc->sc_regs, 1); 414 1.2.2.2 skrll 415 1.2.2.2 skrll RTW_WRITE(&sc->sc_regs, RTW_FEMR, RTW_FEMR_INTR); 416 1.2.2.2 skrll RTW_WRITE(&sc->sc_regs, RTW_FER, RTW_FER_INTR); 417 1.2.2.2 skrll 418 1.2.2.2 skrll return (0); 419 1.2.2.2 skrll } 420 1.2.2.2 skrll 421 1.2.2.2 skrll void 422 1.2.2.2 skrll rtw_cardbus_disable(sc) 423 1.2.2.2 skrll struct rtw_softc *sc; 424 1.2.2.2 skrll { 425 1.2.2.2 skrll struct rtw_cardbus_softc *csc = (void *) sc; 426 1.2.2.2 skrll cardbus_devfunc_t ct = csc->sc_ct; 427 1.2.2.2 skrll cardbus_chipset_tag_t cc = ct->ct_cc; 428 1.2.2.2 skrll cardbus_function_tag_t cf = ct->ct_cf; 429 1.2.2.2 skrll 430 1.2.2.2 skrll RTW_WRITE(&sc->sc_regs, RTW_FEMR, 431 1.2.2.2 skrll RTW_READ(&sc->sc_regs, RTW_FEMR) & ~RTW_FEMR_INTR); 432 1.2.2.2 skrll 433 1.2.2.2 skrll rtw_cardbus_funcregen(&sc->sc_regs, 0); 434 1.2.2.2 skrll 435 1.2.2.2 skrll /* Unhook the interrupt handler. */ 436 1.2.2.2 skrll cardbus_intr_disestablish(cc, cf, csc->sc_ih); 437 1.2.2.2 skrll csc->sc_ih = NULL; 438 1.2.2.2 skrll 439 1.2.2.2 skrll /* Power down the socket. */ 440 1.2.2.2 skrll Cardbus_function_disable(ct); 441 1.2.2.2 skrll } 442 1.2.2.2 skrll 443 1.2.2.2 skrll void 444 1.2.2.2 skrll rtw_cardbus_power(sc, why) 445 1.2.2.2 skrll struct rtw_softc *sc; 446 1.2.2.2 skrll int why; 447 1.2.2.2 skrll { 448 1.2.2.2 skrll struct rtw_cardbus_softc *csc = (void *) sc; 449 1.2.2.2 skrll 450 1.2.2.4 skrll RTW_DPRINTF(RTW_DEBUG_ATTACH, 451 1.2.2.4 skrll ("%s: rtw_cardbus_power\n", sc->sc_dev.dv_xname)); 452 1.2.2.2 skrll 453 1.2.2.2 skrll if (why == PWR_RESUME) { 454 1.2.2.2 skrll /* 455 1.2.2.2 skrll * Give the PCI configuration registers a kick 456 1.2.2.2 skrll * in the head. 457 1.2.2.2 skrll */ 458 1.2.2.2 skrll #ifdef DIAGNOSTIC 459 1.2.2.2 skrll if ((sc->sc_flags & RTW_F_ENABLED) == 0) 460 1.2.2.2 skrll panic("rtw_cardbus_power"); 461 1.2.2.2 skrll #endif 462 1.2.2.2 skrll rtw_cardbus_setup(csc); 463 1.2.2.2 skrll } 464 1.2.2.2 skrll } 465 1.2.2.2 skrll 466 1.2.2.2 skrll void 467 1.2.2.2 skrll rtw_cardbus_setup(csc) 468 1.2.2.2 skrll struct rtw_cardbus_softc *csc; 469 1.2.2.2 skrll { 470 1.2.2.2 skrll struct rtw_softc *sc = &csc->sc_rtw; 471 1.2.2.2 skrll cardbus_devfunc_t ct = csc->sc_ct; 472 1.2.2.2 skrll cardbus_chipset_tag_t cc = ct->ct_cc; 473 1.2.2.2 skrll cardbus_function_tag_t cf = ct->ct_cf; 474 1.2.2.2 skrll pcireg_t reg; 475 1.2.2.2 skrll int pmreg; 476 1.2.2.2 skrll 477 1.2.2.2 skrll if (cardbus_get_capability(cc, cf, csc->sc_tag, 478 1.2.2.2 skrll PCI_CAP_PWRMGMT, &pmreg, 0)) { 479 1.2.2.2 skrll reg = cardbus_conf_read(cc, cf, csc->sc_tag, pmreg + 4) & 0x03; 480 1.2.2.2 skrll #if 1 /* XXX Probably not right for CardBus. */ 481 1.2.2.2 skrll if (reg == 3) { 482 1.2.2.2 skrll /* 483 1.2.2.2 skrll * The card has lost all configuration data in 484 1.2.2.2 skrll * this state, so punt. 485 1.2.2.2 skrll */ 486 1.2.2.2 skrll printf("%s: unable to wake up from power state D3\n", 487 1.2.2.2 skrll sc->sc_dev.dv_xname); 488 1.2.2.2 skrll return; 489 1.2.2.2 skrll } 490 1.2.2.2 skrll #endif 491 1.2.2.2 skrll if (reg != 0) { 492 1.2.2.2 skrll printf("%s: waking up from power state D%d\n", 493 1.2.2.2 skrll sc->sc_dev.dv_xname, reg); 494 1.2.2.2 skrll cardbus_conf_write(cc, cf, csc->sc_tag, 495 1.2.2.2 skrll pmreg + 4, 0); 496 1.2.2.2 skrll } 497 1.2.2.2 skrll } 498 1.2.2.2 skrll 499 1.2.2.2 skrll /* Program the BAR. */ 500 1.2.2.2 skrll cardbus_conf_write(cc, cf, csc->sc_tag, csc->sc_bar_reg, 501 1.2.2.2 skrll csc->sc_bar_val); 502 1.2.2.2 skrll 503 1.2.2.2 skrll /* Make sure the right access type is on the CardBus bridge. */ 504 1.2.2.2 skrll (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cben); 505 1.2.2.2 skrll (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 506 1.2.2.2 skrll 507 1.2.2.2 skrll /* Enable the appropriate bits in the PCI CSR. */ 508 1.2.2.2 skrll reg = cardbus_conf_read(cc, cf, csc->sc_tag, 509 1.2.2.2 skrll CARDBUS_COMMAND_STATUS_REG); 510 1.2.2.2 skrll reg &= ~(CARDBUS_COMMAND_IO_ENABLE|CARDBUS_COMMAND_MEM_ENABLE); 511 1.2.2.2 skrll reg |= csc->sc_csr; 512 1.2.2.2 skrll cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_COMMAND_STATUS_REG, 513 1.2.2.2 skrll reg); 514 1.2.2.2 skrll 515 1.2.2.2 skrll /* 516 1.2.2.2 skrll * Make sure the latency timer is set to some reasonable 517 1.2.2.2 skrll * value. 518 1.2.2.2 skrll */ 519 1.2.2.2 skrll reg = cardbus_conf_read(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG); 520 1.2.2.2 skrll if (CARDBUS_LATTIMER(reg) < 0x20) { 521 1.2.2.2 skrll reg &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT); 522 1.2.2.2 skrll reg |= (0x20 << CARDBUS_LATTIMER_SHIFT); 523 1.2.2.2 skrll cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG, reg); 524 1.2.2.2 skrll } 525 1.2.2.2 skrll } 526
Indexes created Sat Oct 25 07:10:08 GMT 2025