Annotation of sys/dev/cardbus/if_malo_cardbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_malo_cardbus.c,v 1.5 2006/11/29 10:37:11 mglocker Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2006 Claudio Jeker <claudio@openbsd.org>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #include "bpfilter.h"
! 20:
! 21: #include <sys/param.h>
! 22: #include <sys/mbuf.h>
! 23: #include <sys/socket.h>
! 24: #include <sys/systm.h>
! 25: #include <sys/timeout.h>
! 26:
! 27: #include <net/if.h>
! 28: #include <net/if_media.h>
! 29:
! 30: #include <netinet/in.h>
! 31: #include <netinet/if_ether.h>
! 32:
! 33: #include <net80211/ieee80211_var.h>
! 34: #include <net80211/ieee80211_radiotap.h>
! 35:
! 36: #include <dev/pci/pcireg.h>
! 37: #include <dev/pci/pcivar.h>
! 38: #include <dev/pci/pcidevs.h>
! 39:
! 40: #include <dev/cardbus/cardbusvar.h>
! 41:
! 42: #include <dev/ic/malo.h>
! 43:
! 44: struct malo_cardbus_softc {
! 45: struct malo_softc sc_malo;
! 46:
! 47: /* cardbus specific goo */
! 48: cardbus_devfunc_t sc_ct;
! 49: cardbustag_t sc_tag;
! 50: void *sc_ih;
! 51:
! 52: bus_size_t sc_mapsize1;
! 53: bus_size_t sc_mapsize2;
! 54: pcireg_t sc_bar1_val;
! 55: pcireg_t sc_bar2_val;
! 56: int sc_intrline;
! 57: };
! 58:
! 59: int malo_cardbus_match(struct device *parent, void *match, void *aux);
! 60: void malo_cardbus_attach(struct device *parent, struct device *self,
! 61: void *aux);
! 62: int malo_cardbus_detach(struct device *self, int flags);
! 63: void malo_cardbus_setup(struct malo_cardbus_softc *csc);
! 64: int malo_cardbus_enable(struct malo_softc *sc);
! 65: void malo_cardbus_disable(struct malo_softc *sc);
! 66:
! 67: struct cfattach malo_cardbus_ca = {
! 68: sizeof (struct malo_cardbus_softc), malo_cardbus_match,
! 69: malo_cardbus_attach, malo_cardbus_detach
! 70: };
! 71:
! 72: static const struct cardbus_matchid malo_cardbus_devices[] = {
! 73: { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8310 },
! 74: { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_1 },
! 75: { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_2 }
! 76: };
! 77:
! 78: int
! 79: malo_cardbus_match(struct device *parent, void *match, void *aux)
! 80: {
! 81: return (cardbus_matchbyid(aux, malo_cardbus_devices,
! 82: sizeof (malo_cardbus_devices) / sizeof (malo_cardbus_devices[0])));
! 83: }
! 84:
! 85: void
! 86: malo_cardbus_attach(struct device *parent, struct device *self, void *aux)
! 87: {
! 88: struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)self;
! 89: struct cardbus_attach_args *ca = aux;
! 90: struct malo_softc *sc = &csc->sc_malo;
! 91: cardbus_devfunc_t ct = ca->ca_ct;
! 92: bus_addr_t base;
! 93: int error;
! 94:
! 95: sc->sc_dmat = ca->ca_dmat;
! 96: csc->sc_ct = ct;
! 97: csc->sc_tag = ca->ca_tag;
! 98: csc->sc_intrline = ca->ca_intrline;
! 99:
! 100: /* power management hooks */
! 101: sc->sc_enable = malo_cardbus_enable;
! 102: sc->sc_disable = malo_cardbus_disable;
! 103: #if 0
! 104: sc->sc_power = malo_cardbus_power;
! 105: #endif
! 106:
! 107: /* map control/status registers */
! 108: error = Cardbus_mapreg_map(ct, CARDBUS_BASE0_REG,
! 109: CARDBUS_MAPREG_TYPE_MEM, 0, &sc->sc_mem1_bt,
! 110: &sc->sc_mem1_bh, &base, &csc->sc_mapsize1);
! 111: if (error != 0) {
! 112: printf(": could not map 1st memory space\n");
! 113: return;
! 114: }
! 115: csc->sc_bar1_val = base | CARDBUS_MAPREG_TYPE_MEM;
! 116:
! 117: /* map control/status registers */
! 118: error = Cardbus_mapreg_map(ct, CARDBUS_BASE1_REG,
! 119: CARDBUS_MAPREG_TYPE_MEM, 0, &sc->sc_mem2_bt,
! 120: &sc->sc_mem2_bh, &base, &csc->sc_mapsize2);
! 121: if (error != 0) {
! 122: printf(": could not map 2nd memory space\n");
! 123: Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->sc_mem1_bt,
! 124: sc->sc_mem1_bh, csc->sc_mapsize1);
! 125: return;
! 126: }
! 127: csc->sc_bar2_val = base | CARDBUS_MAPREG_TYPE_MEM;
! 128:
! 129: /* set up the PCI configuration registers */
! 130: malo_cardbus_setup(csc);
! 131:
! 132: printf(": irq %d", csc->sc_intrline);
! 133:
! 134: error = malo_attach(sc);
! 135: if (error != 0)
! 136: malo_cardbus_detach(&sc->sc_dev, 0);
! 137:
! 138: Cardbus_function_disable(ct);
! 139: }
! 140:
! 141: int
! 142: malo_cardbus_detach(struct device *self, int flags)
! 143: {
! 144: struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)self;
! 145: struct malo_softc *sc = &csc->sc_malo;
! 146: cardbus_devfunc_t ct = csc->sc_ct;
! 147: cardbus_chipset_tag_t cc = ct->ct_cc;
! 148: cardbus_function_tag_t cf = ct->ct_cf;
! 149: int error;
! 150:
! 151: error = malo_detach(sc);
! 152: if (error != 0)
! 153: return (error);
! 154:
! 155: /* unhook the interrupt handler */
! 156: if (csc->sc_ih != NULL) {
! 157: cardbus_intr_disestablish(cc, cf, csc->sc_ih);
! 158: csc->sc_ih = NULL;
! 159: }
! 160:
! 161: /* release bus space and close window */
! 162: Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->sc_mem1_bt,
! 163: sc->sc_mem1_bh, csc->sc_mapsize1);
! 164: Cardbus_mapreg_unmap(ct, CARDBUS_BASE1_REG, sc->sc_mem2_bt,
! 165: sc->sc_mem2_bh, csc->sc_mapsize2);
! 166:
! 167: return (0);
! 168: }
! 169:
! 170: void
! 171: malo_cardbus_setup(struct malo_cardbus_softc *csc)
! 172: {
! 173: cardbus_devfunc_t ct = csc->sc_ct;
! 174: cardbus_chipset_tag_t cc = ct->ct_cc;
! 175: cardbus_function_tag_t cf = ct->ct_cf;
! 176: pcireg_t reg;
! 177:
! 178: /* program the BAR */
! 179: cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_BASE0_REG,
! 180: csc->sc_bar1_val);
! 181: cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_BASE1_REG,
! 182: 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(cc, cf, csc->sc_tag,
! 190: CARDBUS_COMMAND_STATUS_REG);
! 191: reg |= CARDBUS_COMMAND_MASTER_ENABLE | CARDBUS_COMMAND_MEM_ENABLE;
! 192: cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_COMMAND_STATUS_REG,
! 193: reg);
! 194: }
! 195:
! 196: int
! 197: malo_cardbus_enable(struct malo_softc *sc)
! 198: {
! 199: struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)sc;
! 200: cardbus_devfunc_t ct = csc->sc_ct;
! 201: cardbus_chipset_tag_t cc = ct->ct_cc;
! 202: cardbus_function_tag_t cf = ct->ct_cf;
! 203:
! 204: /* power on the socket */
! 205: Cardbus_function_enable(ct);
! 206:
! 207: /* setup the PCI configuration registers */
! 208: malo_cardbus_setup(csc);
! 209:
! 210: /* map and establish the interrupt handler */
! 211: csc->sc_ih = cardbus_intr_establish(cc, cf, csc->sc_intrline, IPL_NET,
! 212: malo_intr, sc, sc->sc_dev.dv_xname);
! 213: if (csc->sc_ih == NULL) {
! 214: printf("%s: could not establish interrupt at %d\n",
! 215: sc->sc_dev.dv_xname, csc->sc_intrline);
! 216: Cardbus_function_disable(ct);
! 217: return (1);
! 218: }
! 219:
! 220: return (0);
! 221: }
! 222:
! 223: void
! 224: malo_cardbus_disable(struct malo_softc *sc)
! 225: {
! 226: struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)sc;
! 227: cardbus_devfunc_t ct = csc->sc_ct;
! 228: cardbus_chipset_tag_t cc = ct->ct_cc;
! 229: cardbus_function_tag_t cf = ct->ct_cf;
! 230:
! 231: /* unhook the interrupt handler */
! 232: cardbus_intr_disestablish(cc, cf, csc->sc_ih);
! 233: csc->sc_ih = NULL;
! 234:
! 235: /* power down the socket */
! 236: Cardbus_function_disable(ct);
! 237: }
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