if_malo_cardbus.c revision 1.1.6.2
1 /* $NetBSD: if_malo_cardbus.c,v 1.1.6.2 2019/06/10 22:07:06 christos Exp $ */ 2 /* $OpenBSD: if_malo_cardbus.c,v 1.12 2013/12/06 21:03:02 deraadt Exp $ */ 3 4 /* 5 * Copyright (c) 2006 Claudio Jeker <claudio (at) openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <sys/cdefs.h> 21 __KERNEL_RCSID(0, "$NetBSD: if_malo_cardbus.c,v 1.1.6.2 2019/06/10 22:07:06 christos Exp $"); 22 23 #include <sys/param.h> 24 #include <sys/mbuf.h> 25 #include <sys/socket.h> 26 #include <sys/systm.h> 27 28 #include <net/if.h> 29 #include <net/if_dl.h> 30 #include <net/if_media.h> 31 #include <net/if_ether.h> 32 33 #include <netinet/in.h> 34 35 #include <net80211/ieee80211_var.h> 36 #include <net80211/ieee80211_radiotap.h> 37 38 #include <dev/pci/pcireg.h> 39 #include <dev/pci/pcivar.h> 40 #include <dev/pci/pcidevs.h> 41 42 #include <dev/cardbus/cardbusvar.h> 43 44 #include <dev/ic/malovar.h> 45 46 struct malo_cardbus_softc { 47 struct malo_softc sc_malo; 48 49 /* cardbus specific goo */ 50 cardbus_devfunc_t sc_ct; 51 pcitag_t sc_tag; 52 void *sc_ih; 53 bus_size_t sc_mapsize1; 54 bus_size_t sc_mapsize2; 55 pcireg_t sc_bar1_val; 56 pcireg_t sc_bar2_val; 57 }; 58 59 int malo_cardbus_match(device_t, cfdata_t, void *); 60 void malo_cardbus_attach(device_t, device_t, void *); 61 int malo_cardbus_detach(device_t, int); 62 63 CFATTACH_DECL_NEW(malo_cardbus, sizeof (struct malo_cardbus_softc), 64 malo_cardbus_match, malo_cardbus_attach, malo_cardbus_detach, NULL); 65 66 void malo_cardbus_setup(struct malo_cardbus_softc *csc); 67 int malo_cardbus_enable(struct malo_softc *sc); 68 void malo_cardbus_disable(struct malo_softc *sc); 69 70 int 71 malo_cardbus_match(device_t parent, cfdata_t match, void *aux) 72 { 73 struct cardbus_attach_args *ca = aux; 74 75 if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_MARVELL) { 76 switch (PCI_PRODUCT(ca->ca_id)) { 77 case PCI_PRODUCT_MARVELL_88W8310: 78 case PCI_PRODUCT_MARVELL_88W8335_1: 79 case PCI_PRODUCT_MARVELL_88W8335_2: 80 return 1; 81 default: 82 return 0; 83 } 84 } 85 86 return 0; 87 } 88 89 void 90 malo_cardbus_attach(struct device *parent, struct device *self, void *aux) 91 { 92 struct malo_cardbus_softc *csc = device_private(self); 93 struct malo_softc *sc = &csc->sc_malo; 94 struct cardbus_attach_args *ca = aux; 95 cardbus_devfunc_t ct = ca->ca_ct; 96 char devinfo[256]; 97 bus_addr_t base; 98 int error; 99 100 pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo)); 101 aprint_normal(": %s\n", devinfo); 102 103 sc->sc_dev = self; 104 sc->sc_dmat = ca->ca_dmat; 105 csc->sc_ct = ct; 106 csc->sc_tag = ca->ca_tag; 107 108 /* power management hooks */ 109 sc->sc_enable = malo_cardbus_enable; 110 sc->sc_disable = malo_cardbus_disable; 111 112 /* map control/status registers */ 113 error = Cardbus_mapreg_map(ct, PCI_BAR0, 114 PCI_MAPREG_TYPE_MEM, 0, &sc->sc_mem1_bt, &sc->sc_mem1_bh, 115 &base, &csc->sc_mapsize1); 116 if (error != 0) { 117 aprint_error(": can't map mem1 space\n"); 118 return; 119 } 120 csc->sc_bar1_val = base | PCI_MAPREG_TYPE_MEM; 121 122 error = Cardbus_mapreg_map(ct, PCI_BAR1, 123 PCI_MAPREG_TYPE_MEM, 0, &sc->sc_mem2_bt, &sc->sc_mem2_bh, 124 &base, &csc->sc_mapsize2); 125 if (error != 0) { 126 aprint_error(": can't map mem2 space\n"); 127 Cardbus_mapreg_unmap(ct, PCI_BAR0, sc->sc_mem1_bt, 128 sc->sc_mem1_bh, csc->sc_mapsize1); 129 return; 130 } 131 csc->sc_bar2_val = base | PCI_MAPREG_TYPE_MEM; 132 133 /* set up the PCI configuration registers */ 134 malo_cardbus_setup(csc); 135 136 error = malo_attach(sc); 137 #if notyet 138 if (error != 0) 139 malo_cardbus_detach(sc->sc_dev, 0); 140 #endif 141 142 Cardbus_function_disable(ct); 143 } 144 145 int 146 malo_cardbus_detach(struct device *self, int flags) 147 { 148 struct malo_cardbus_softc *csc = device_private(self); 149 struct malo_softc *sc = &csc->sc_malo; 150 cardbus_devfunc_t ct = csc->sc_ct; 151 int error; 152 153 error = malo_detach(sc); 154 if (error != 0) 155 return error; 156 157 /* unhook the interrupt handler */ 158 if (csc->sc_ih != NULL) { 159 Cardbus_intr_disestablish(ct, csc->sc_ih); 160 csc->sc_ih = NULL; 161 } 162 163 /* release bus space and close window */ 164 Cardbus_mapreg_unmap(ct, PCI_BAR0, sc->sc_mem1_bt, 165 sc->sc_mem1_bh, csc->sc_mapsize1); 166 Cardbus_mapreg_unmap(ct, PCI_BAR1, sc->sc_mem2_bt, 167 sc->sc_mem2_bh, csc->sc_mapsize2); 168 169 return 0; 170 } 171 172 void 173 malo_cardbus_setup(struct malo_cardbus_softc *csc) 174 { 175 cardbus_devfunc_t ct = csc->sc_ct; 176 cardbus_chipset_tag_t cc = ct->ct_cc; 177 cardbus_function_tag_t cf = ct->ct_cf; 178 pcireg_t reg; 179 180 /* program the BAR */ 181 Cardbus_conf_write(ct, csc->sc_tag, PCI_BAR0, csc->sc_bar1_val); 182 Cardbus_conf_write(ct, csc->sc_tag, PCI_BAR1, csc->sc_bar2_val); 183 184 /* make sure the right access type is on the cardbus bridge */ 185 (*cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE); 186 (*cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 187 188 /* enable the appropriate bits in the PCI CSR */ 189 reg = Cardbus_conf_read(ct, csc->sc_tag, PCI_COMMAND_STATUS_REG); 190 reg |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE; 191 Cardbus_conf_write(ct, csc->sc_tag, PCI_COMMAND_STATUS_REG, reg); 192 } 193 194 int 195 malo_cardbus_enable(struct malo_softc *sc) 196 { 197 struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)sc; 198 cardbus_devfunc_t ct = csc->sc_ct; 199 200 /* power on the socket */ 201 Cardbus_function_enable(ct); 202 203 /* setup the PCI configuration registers */ 204 malo_cardbus_setup(csc); 205 206 /* map and establish the interrupt handler */ 207 csc->sc_ih = Cardbus_intr_establish(ct, IPL_NET, 208 malo_intr, sc); 209 if (csc->sc_ih == NULL) { 210 aprint_error_dev(sc->sc_dev, 211 "could not establish interrupt\n"); 212 Cardbus_function_disable(ct); 213 return 1; 214 } 215 216 return 0; 217 } 218 219 void 220 malo_cardbus_disable(struct malo_softc *sc) 221 { 222 struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)sc; 223 cardbus_devfunc_t ct = csc->sc_ct; 224 225 /* unhook the interrupt handler */ 226 Cardbus_intr_disestablish(ct, csc->sc_ih); 227 csc->sc_ih = NULL; 228 229 /* power down the socket */ 230 Cardbus_function_disable(ct); 231 } 232
Indexes created Wed Oct 29 20:09:47 GMT 2025