1 /* $OpenBSD: if_acx_pci.c,v 1.10 2022/03/11 18:00:45 mpi 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_media.h> 42 43 #include <netinet/in.h> 44 #include <netinet/if_ether.h> 45 46 #include <net80211/ieee80211_var.h> 47 #include <net80211/ieee80211_amrr.h> 48 #include <net80211/ieee80211_radiotap.h> 49 50 #include <dev/ic/acxvar.h> 51 52 #include <dev/pci/pcireg.h> 53 #include <dev/pci/pcivar.h> 54 #include <dev/pci/pcidevs.h> 55 56 struct acx_pci_softc { 57 struct acx_softc sc_acx; 58 59 /* PCI specific goo */ 60 struct acx_opns *sc_opns; 61 pci_chipset_tag_t sc_pc; 62 void *sc_ih; 63 bus_size_t sc_mapsize1; 64 bus_size_t sc_mapsize2; 65 int sc_intrline; 66 67 /* hack for ACX100A */ 68 bus_space_tag_t sc_io_bt; 69 bus_space_handle_t sc_io_bh; 70 bus_size_t sc_iomapsize; 71 }; 72 73 /* Base Address Register */ 74 #define ACX_PCI_BAR0 0x10 75 #define ACX_PCI_BAR1 0x14 76 #define ACX_PCI_BAR2 0x18 77 78 int acx_pci_match(struct device *, void *, void *); 79 void acx_pci_attach(struct device *, struct device *, void *); 80 int acx_pci_detach(struct device *, int); 81 82 const struct cfattach acx_pci_ca = { 83 sizeof (struct acx_pci_softc), acx_pci_match, acx_pci_attach, 84 acx_pci_detach 85 }; 86 87 const struct pci_matchid acx_pci_devices[] = { 88 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100A }, 89 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100B }, 90 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX111 } 91 }; 92 93 int 94 acx_pci_match(struct device *parent, void *match, void *aux) 95 { 96 return (pci_matchbyid((struct pci_attach_args *)aux, acx_pci_devices, 97 sizeof (acx_pci_devices) / sizeof (acx_pci_devices[0]))); 98 } 99 100 void 101 acx_pci_attach(struct device *parent, struct device *self, void *aux) 102 { 103 struct acx_pci_softc *psc = (struct acx_pci_softc *)self; 104 struct acx_softc *sc = &psc->sc_acx; 105 struct pci_attach_args *pa = aux; 106 const char *intrstr = NULL; 107 pci_intr_handle_t ih; 108 int error, b1 = ACX_PCI_BAR0, b2 = ACX_PCI_BAR1; 109 110 sc->sc_dmat = pa->pa_dmat; 111 psc->sc_pc = pa->pa_pc; 112 113 /* map control/status registers */ 114 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX100A) { 115 error = pci_mapreg_map(pa, ACX_PCI_BAR0, 116 PCI_MAPREG_TYPE_IO, 0, &psc->sc_io_bt, 117 &psc->sc_io_bh, NULL, &psc->sc_iomapsize, 0); 118 if (error != 0) { 119 printf(": can't map i/o space\n"); 120 return; 121 } 122 b1 = ACX_PCI_BAR1; 123 b2 = ACX_PCI_BAR2; 124 } 125 126 error = pci_mapreg_map(pa, b1, PCI_MAPREG_TYPE_MEM | 127 PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem1_bt, 128 &sc->sc_mem1_bh, NULL, &psc->sc_mapsize1, 0); 129 if (error != 0) { 130 printf(": can't map mem1 space\n"); 131 return; 132 } 133 134 error = pci_mapreg_map(pa, b2, PCI_MAPREG_TYPE_MEM | 135 PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem2_bt, 136 &sc->sc_mem2_bh, NULL, &psc->sc_mapsize2, 0); 137 if (error != 0) { 138 printf(": can't map mem2 space\n"); 139 return; 140 } 141 142 if (pci_intr_map(pa, &ih) != 0) { 143 printf(": can't map interrupt\n"); 144 return; 145 } 146 147 intrstr = pci_intr_string(psc->sc_pc, ih); 148 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, 149 acx_intr, sc, sc->sc_dev.dv_xname); 150 if (psc->sc_ih == NULL) { 151 printf(": can't establish interrupt"); 152 if (intrstr != NULL) 153 printf(" at %s", intrstr); 154 printf("\n"); 155 return; 156 } 157 printf(": %s\n", intrstr); 158 159 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX111) 160 acx111_set_param(sc); 161 else 162 acx100_set_param(sc); 163 164 acx_attach(sc); 165 } 166 167 int 168 acx_pci_detach(struct device *self, int flags) 169 { 170 struct acx_pci_softc *psc = (struct acx_pci_softc *)self; 171 struct acx_softc *sc = &psc->sc_acx; 172 173 acx_detach(sc); 174 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 175 176 return 0; 177 } 178