Annotation of sys/dev/pci/if_acx_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_acx_pci.c,v 1.6 2006/11/18 20:44:40 grange Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 2006 Theo de Raadt <deraadt@openbsd.org>
! 5: * Copyright (c) 2005, 2006
! 6: * Damien Bergamini <damien.bergamini@free.fr>
! 7: *
! 8: * Permission to use, copy, modify, and distribute this software for any
! 9: * purpose with or without fee is hereby granted, provided that the above
! 10: * copyright notice and this permission notice appear in all copies.
! 11: *
! 12: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 13: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 14: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 15: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 16: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 17: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 18: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 19: */
! 20:
! 21: /*
! 22: * PCI front-end for the ACX100/111
! 23: */
! 24:
! 25: #include "bpfilter.h"
! 26:
! 27: #include <sys/param.h>
! 28: #include <sys/sockio.h>
! 29: #include <sys/mbuf.h>
! 30: #include <sys/kernel.h>
! 31: #include <sys/socket.h>
! 32: #include <sys/systm.h>
! 33: #include <sys/malloc.h>
! 34: #include <sys/timeout.h>
! 35: #include <sys/device.h>
! 36:
! 37: #include <machine/bus.h>
! 38: #include <machine/intr.h>
! 39:
! 40: #include <net/if.h>
! 41: #include <net/if_dl.h>
! 42: #include <net/if_media.h>
! 43:
! 44: #include <netinet/in.h>
! 45: #include <netinet/if_ether.h>
! 46:
! 47: #include <net80211/ieee80211_var.h>
! 48: #include <net80211/ieee80211_amrr.h>
! 49: #include <net80211/ieee80211_radiotap.h>
! 50:
! 51: #include <dev/ic/acxvar.h>
! 52: #include <dev/ic/acxreg.h>
! 53:
! 54: #include <dev/pci/pcireg.h>
! 55: #include <dev/pci/pcivar.h>
! 56: #include <dev/pci/pcidevs.h>
! 57:
! 58: struct acx_pci_softc {
! 59: struct acx_softc sc_acx;
! 60:
! 61: /* PCI specific goo */
! 62: struct acx_opns *sc_opns;
! 63: pci_chipset_tag_t sc_pc;
! 64: void *sc_ih;
! 65: bus_size_t sc_mapsize1;
! 66: bus_size_t sc_mapsize2;
! 67: int sc_intrline;
! 68:
! 69: /* hack for ACX100A */
! 70: bus_space_tag_t sc_io_bt;
! 71: bus_space_handle_t sc_io_bh;
! 72: bus_size_t sc_iomapsize;
! 73: };
! 74:
! 75: /* Base Address Register */
! 76: #define ACX_PCI_BAR0 0x10
! 77: #define ACX_PCI_BAR1 0x14
! 78: #define ACX_PCI_BAR2 0x18
! 79:
! 80: int acx_pci_match(struct device *, void *, void *);
! 81: void acx_pci_attach(struct device *, struct device *, void *);
! 82: int acx_pci_detach(struct device *, int);
! 83:
! 84: struct cfattach acx_pci_ca = {
! 85: sizeof (struct acx_pci_softc), acx_pci_match, acx_pci_attach,
! 86: acx_pci_detach
! 87: };
! 88:
! 89: const struct pci_matchid acx_pci_devices[] = {
! 90: { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100A },
! 91: { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100B },
! 92: { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX111 }
! 93: };
! 94:
! 95: int
! 96: acx_pci_match(struct device *parent, void *match, void *aux)
! 97: {
! 98: return (pci_matchbyid((struct pci_attach_args *)aux, acx_pci_devices,
! 99: sizeof (acx_pci_devices) / sizeof (acx_pci_devices[0])));
! 100: }
! 101:
! 102: void
! 103: acx_pci_attach(struct device *parent, struct device *self, void *aux)
! 104: {
! 105: struct acx_pci_softc *psc = (struct acx_pci_softc *)self;
! 106: struct acx_softc *sc = &psc->sc_acx;
! 107: struct pci_attach_args *pa = aux;
! 108: const char *intrstr = NULL;
! 109: pci_intr_handle_t ih;
! 110: int error, b1 = ACX_PCI_BAR0, b2 = ACX_PCI_BAR1;
! 111:
! 112: sc->sc_dmat = pa->pa_dmat;
! 113: psc->sc_pc = pa->pa_pc;
! 114:
! 115: /* map control/status registers */
! 116: if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX100A) {
! 117: error = pci_mapreg_map(pa, ACX_PCI_BAR0,
! 118: PCI_MAPREG_TYPE_IO, 0, &psc->sc_io_bt,
! 119: &psc->sc_io_bh, NULL, &psc->sc_iomapsize, 0);
! 120: if (error != 0) {
! 121: printf(": could not map i/o space\n");
! 122: return;
! 123: }
! 124: b1 = ACX_PCI_BAR1;
! 125: b2 = ACX_PCI_BAR2;
! 126: }
! 127:
! 128: error = pci_mapreg_map(pa, b1, PCI_MAPREG_TYPE_MEM |
! 129: PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem1_bt,
! 130: &sc->sc_mem1_bh, NULL, &psc->sc_mapsize1, 0);
! 131: if (error != 0) {
! 132: printf(": could not map memory1 space\n");
! 133: return;
! 134: }
! 135:
! 136: error = pci_mapreg_map(pa, b2, PCI_MAPREG_TYPE_MEM |
! 137: PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem2_bt,
! 138: &sc->sc_mem2_bh, NULL, &psc->sc_mapsize2, 0);
! 139: if (error != 0) {
! 140: printf(": could not map memory2 space\n");
! 141: return;
! 142: }
! 143:
! 144: if (pci_intr_map(pa, &ih) != 0) {
! 145: printf(": could not map interrupt\n");
! 146: return;
! 147: }
! 148:
! 149: intrstr = pci_intr_string(psc->sc_pc, ih);
! 150: psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET,
! 151: acx_intr, sc, sc->sc_dev.dv_xname);
! 152: if (psc->sc_ih == NULL) {
! 153: printf(": could not establish interrupt");
! 154: if (intrstr != NULL)
! 155: printf(" at %s", intrstr);
! 156: printf("\n");
! 157: return;
! 158: }
! 159: printf(": %s\n", intrstr);
! 160:
! 161: if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX111)
! 162: acx111_set_param(sc);
! 163: else
! 164: acx100_set_param(sc);
! 165:
! 166: acx_attach(sc);
! 167: }
! 168:
! 169: int
! 170: acx_pci_detach(struct device *self, int flags)
! 171: {
! 172: struct acx_pci_softc *psc = (struct acx_pci_softc *)self;
! 173: struct acx_softc *sc = &psc->sc_acx;
! 174:
! 175: acx_detach(sc);
! 176: pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
! 177:
! 178: return 0;
! 179: }
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