1 /* $OpenBSD: if_acx_pci.c,v 1.7 2009/03/29 21:53:52 sthen 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(": can't 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(": can't map mem1 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(": can't map mem2 space\n"); 141 return; 142 } 143 144 if (pci_intr_map(pa, &ih) != 0) { 145 printf(": can't 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(": can't 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 } 180