1 /* $OpenBSD: if_acx_pci.c,v 1.11 2024/05/24 06:02:53 jsg 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/systm.h> 29 #include <sys/timeout.h> 30 #include <sys/device.h> 31 32 #include <machine/bus.h> 33 #include <machine/intr.h> 34 35 #include <net/if.h> 36 #include <net/if_media.h> 37 38 #include <netinet/in.h> 39 #include <netinet/if_ether.h> 40 41 #include <net80211/ieee80211_var.h> 42 #include <net80211/ieee80211_amrr.h> 43 #include <net80211/ieee80211_radiotap.h> 44 45 #include <dev/ic/acxvar.h> 46 47 #include <dev/pci/pcireg.h> 48 #include <dev/pci/pcivar.h> 49 #include <dev/pci/pcidevs.h> 50 51 struct acx_pci_softc { 52 struct acx_softc sc_acx; 53 54 /* PCI specific goo */ 55 struct acx_opns *sc_opns; 56 pci_chipset_tag_t sc_pc; 57 void *sc_ih; 58 bus_size_t sc_mapsize1; 59 bus_size_t sc_mapsize2; 60 int sc_intrline; 61 62 /* hack for ACX100A */ 63 bus_space_tag_t sc_io_bt; 64 bus_space_handle_t sc_io_bh; 65 bus_size_t sc_iomapsize; 66 }; 67 68 /* Base Address Register */ 69 #define ACX_PCI_BAR0 0x10 70 #define ACX_PCI_BAR1 0x14 71 #define ACX_PCI_BAR2 0x18 72 73 int acx_pci_match(struct device *, void *, void *); 74 void acx_pci_attach(struct device *, struct device *, void *); 75 int acx_pci_detach(struct device *, int); 76 77 const struct cfattach acx_pci_ca = { 78 sizeof (struct acx_pci_softc), acx_pci_match, acx_pci_attach, 79 acx_pci_detach 80 }; 81 82 const struct pci_matchid acx_pci_devices[] = { 83 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100A }, 84 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100B }, 85 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX111 } 86 }; 87 88 int 89 acx_pci_match(struct device *parent, void *match, void *aux) 90 { 91 return (pci_matchbyid((struct pci_attach_args *)aux, acx_pci_devices, 92 sizeof (acx_pci_devices) / sizeof (acx_pci_devices[0]))); 93 } 94 95 void 96 acx_pci_attach(struct device *parent, struct device *self, void *aux) 97 { 98 struct acx_pci_softc *psc = (struct acx_pci_softc *)self; 99 struct acx_softc *sc = &psc->sc_acx; 100 struct pci_attach_args *pa = aux; 101 const char *intrstr = NULL; 102 pci_intr_handle_t ih; 103 int error, b1 = ACX_PCI_BAR0, b2 = ACX_PCI_BAR1; 104 105 sc->sc_dmat = pa->pa_dmat; 106 psc->sc_pc = pa->pa_pc; 107 108 /* map control/status registers */ 109 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX100A) { 110 error = pci_mapreg_map(pa, ACX_PCI_BAR0, 111 PCI_MAPREG_TYPE_IO, 0, &psc->sc_io_bt, 112 &psc->sc_io_bh, NULL, &psc->sc_iomapsize, 0); 113 if (error != 0) { 114 printf(": can't map i/o space\n"); 115 return; 116 } 117 b1 = ACX_PCI_BAR1; 118 b2 = ACX_PCI_BAR2; 119 } 120 121 error = pci_mapreg_map(pa, b1, PCI_MAPREG_TYPE_MEM | 122 PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem1_bt, 123 &sc->sc_mem1_bh, NULL, &psc->sc_mapsize1, 0); 124 if (error != 0) { 125 printf(": can't map mem1 space\n"); 126 return; 127 } 128 129 error = pci_mapreg_map(pa, b2, PCI_MAPREG_TYPE_MEM | 130 PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem2_bt, 131 &sc->sc_mem2_bh, NULL, &psc->sc_mapsize2, 0); 132 if (error != 0) { 133 printf(": can't map mem2 space\n"); 134 return; 135 } 136 137 if (pci_intr_map(pa, &ih) != 0) { 138 printf(": can't map interrupt\n"); 139 return; 140 } 141 142 intrstr = pci_intr_string(psc->sc_pc, ih); 143 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, 144 acx_intr, sc, sc->sc_dev.dv_xname); 145 if (psc->sc_ih == NULL) { 146 printf(": can't establish interrupt"); 147 if (intrstr != NULL) 148 printf(" at %s", intrstr); 149 printf("\n"); 150 return; 151 } 152 printf(": %s\n", intrstr); 153 154 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX111) 155 acx111_set_param(sc); 156 else 157 acx100_set_param(sc); 158 159 acx_attach(sc); 160 } 161 162 int 163 acx_pci_detach(struct device *self, int flags) 164 { 165 struct acx_pci_softc *psc = (struct acx_pci_softc *)self; 166 struct acx_softc *sc = &psc->sc_acx; 167 168 acx_detach(sc); 169 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 170 171 return 0; 172 } 173