1/*- 2 * Copyright (c) 2015 Landon Fuller <landon@landonf.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13 * redistribution must be conditioned upon including a substantially 14 * similar Disclaimer requirement for further binary redistribution. 15 * 16 * NO WARRANTY 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGES. 28 */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: releng/11.0/sys/dev/bwn/bwn_mac.c 299984 2016-05-16 22:56:45Z adrian $"); 32 33#include "opt_bwn.h" 34#include "opt_wlan.h" 35 36#include <sys/param.h> 37#include <sys/kernel.h> 38#include <sys/module.h> 39#include <sys/systm.h> 40 41#include <machine/bus.h> 42#include <sys/rman.h> 43#include <machine/resource.h> 44 45#include <dev/bhnd/bhnd.h> 46#include <dev/bhnd/bhnd_ids.h> 47 48#include "bhnd_nvram_map.h" 49 50static const struct resource_spec bwn_rspec[] = { 51 { SYS_RES_MEMORY, 0, RF_ACTIVE }, 52 { -1, -1, 0 } 53}; 54 55#define RSPEC_LEN (sizeof(bwn_rspec)/sizeof(bwn_rspec[0])) 56 57struct bwn_softc { 58 struct resource_spec rspec[RSPEC_LEN]; 59 struct bhnd_resource *res[RSPEC_LEN-1]; 60}; 61 62static const struct bwn_device { 63 uint16_t vendor; 64 uint16_t device; 65} bwn_devices[] = { 66 { BHND_MFGID_BCM, BHND_COREID_D11 }, 67 { BHND_MFGID_INVALID, BHND_COREID_INVALID } 68}; 69 70static int 71bwn_probe(device_t dev) 72{ 73 const struct bwn_device *id; 74 75 for (id = bwn_devices; id->device != BHND_COREID_INVALID; id++) 76 { 77 if (bhnd_get_vendor(dev) == id->vendor && 78 bhnd_get_device(dev) == id->device) 79 { 80 device_set_desc(dev, bhnd_get_device_name(dev)); 81 return (BUS_PROBE_DEFAULT); 82 } 83 } 84 85 return (ENXIO); 86} 87 88static int 89bwn_attach(device_t dev) 90{ 91 struct bwn_softc *sc; 92 struct bhnd_resource *r; 93 int error; 94 95 sc = device_get_softc(dev); 96 97 memcpy(sc->rspec, bwn_rspec, sizeof(bwn_rspec)); 98 if ((error = bhnd_alloc_resources(dev, sc->rspec, sc->res))) 99 return (error); 100 101 // XXX TODO 102 r = sc->res[0]; 103 device_printf(dev, "got rid=%d res=%p\n", sc->rspec[0].rid, r); 104 105 uint8_t macaddr[6]; 106 error = bhnd_nvram_getvar(dev, BHND_NVAR_MACADDR, macaddr, 107 sizeof(macaddr)); 108 if (error) 109 return (error); 110 111 device_printf(dev, "got macaddr %6D\n", macaddr, ":"); 112 113 return (0); 114} 115 116static int 117bwn_detach(device_t dev) 118{ 119 struct bwn_softc *sc; 120 121 sc = device_get_softc(dev); 122 bhnd_release_resources(dev, sc->rspec, sc->res); 123 124 return (0); 125} 126 127static int 128bwn_suspend(device_t dev) 129{ 130 return (0); 131} 132 133static int 134bwn_resume(device_t dev) 135{ 136 return (0); 137} 138 139static device_method_t bwn_methods[] = { 140 /* Device interface */ 141 DEVMETHOD(device_probe, bwn_probe), 142 DEVMETHOD(device_attach, bwn_attach), 143 DEVMETHOD(device_detach, bwn_detach), 144 DEVMETHOD(device_suspend, bwn_suspend), 145 DEVMETHOD(device_resume, bwn_resume), 146 DEVMETHOD_END 147}; 148 149static devclass_t bwn_devclass; 150 151DEFINE_CLASS_0(bwn, bwn_driver, bwn_methods, sizeof(struct bwn_softc)); 152DRIVER_MODULE(bwn_mac, bhnd, bwn_driver, bwn_devclass, 0, 0); 153MODULE_DEPEND(bwn_mac, bhnd, 1, 1, 1); 154MODULE_VERSION(bwn_mac, 1); 155