1/*- 2 * Copyright (c) 2016 Adrian Chadd <adrian@freebsd.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("$FreeBSD$"); 32 33/* 34 * This is the top-level N-PHY support for the Broadcom softmac driver. 35 */ 36 37#include "opt_bwn.h" 38#include "opt_wlan.h" 39 40#include <sys/param.h> 41#include <sys/systm.h> 42#include <sys/kernel.h> 43#include <sys/malloc.h> 44#include <sys/module.h> 45#include <sys/endian.h> 46#include <sys/errno.h> 47#include <sys/firmware.h> 48#include <sys/lock.h> 49#include <sys/mutex.h> 50#include <machine/bus.h> 51#include <machine/resource.h> 52#include <sys/bus.h> 53#include <sys/rman.h> 54#include <sys/socket.h> 55#include <sys/sockio.h> 56 57#include <net/ethernet.h> 58#include <net/if.h> 59#include <net/if_var.h> 60#include <net/if_arp.h> 61#include <net/if_dl.h> 62#include <net/if_llc.h> 63#include <net/if_media.h> 64#include <net/if_types.h> 65 66#include <dev/pci/pcivar.h> 67#include <dev/pci/pcireg.h> 68 69#include <net80211/ieee80211_var.h> 70#include <net80211/ieee80211_radiotap.h> 71#include <net80211/ieee80211_regdomain.h> 72#include <net80211/ieee80211_phy.h> 73#include <net80211/ieee80211_ratectl.h> 74 75#include <dev/bwn/if_bwnreg.h> 76#include <dev/bwn/if_bwnvar.h> 77 78#include <dev/bwn/if_bwn_debug.h> 79#include <dev/bwn/if_bwn_misc.h> 80#include <dev/bwn/if_bwn_phy_n.h> 81 82#ifdef BWN_GPL_PHY 83#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_tables.h> 84#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_ppr.h> 85#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_core.h> 86#endif 87 88/* 89 * This module is always compiled into the kernel, regardless of 90 * whether the GPL PHY is enabled. If the GPL PHY isn't enabled 91 * then it'll just be stubs that will fail to attach. 92 */ 93 94int 95bwn_phy_n_attach(struct bwn_mac *mac) 96{ 97 98#ifdef BWN_GPL_PHY 99 return bwn_nphy_op_allocate(mac); 100#else 101 device_printf(mac->mac_sc->sc_dev, 102 "%s: BWN_GPL_PHY not in kernel config; " 103 "no PHY-N support\n", __func__); 104 return (ENXIO); 105#endif 106} 107 108void 109bwn_phy_n_detach(struct bwn_mac *mac) 110{ 111 112#ifdef BWN_GPL_PHY 113 return bwn_nphy_op_free(mac); 114#endif 115} 116 117int 118bwn_phy_n_prepare_hw(struct bwn_mac *mac) 119{ 120 121#ifdef BWN_GPL_PHY 122 return (bwn_nphy_op_prepare_structs(mac)); 123#else 124 return (ENXIO); 125#endif 126} 127 128void 129bwn_phy_n_init_pre(struct bwn_mac *mac) 130{ 131 132 /* XXX TODO */ 133} 134 135int 136bwn_phy_n_init(struct bwn_mac *mac) 137{ 138#ifdef BWN_GPL_PHY 139 return bwn_nphy_op_init(mac); 140#else 141 return (ENXIO); 142#endif 143} 144 145void 146bwn_phy_n_exit(struct bwn_mac *mac) 147{ 148 149 /* XXX TODO */ 150} 151 152uint16_t 153bwn_phy_n_read(struct bwn_mac *mac, uint16_t reg) 154{ 155 156 BWN_WRITE_2(mac, BWN_PHYCTL, reg); 157 return BWN_READ_2(mac, BWN_PHYDATA); 158} 159 160void 161bwn_phy_n_write(struct bwn_mac *mac, uint16_t reg, uint16_t value) 162{ 163 164 BWN_WRITE_2(mac, BWN_PHYCTL, reg); 165 BWN_WRITE_2(mac, BWN_PHYDATA, value); 166} 167 168uint16_t 169bwn_phy_n_rf_read(struct bwn_mac *mac, uint16_t reg) 170{ 171 172 /* Register 1 is a 32-bit register. */ 173 if (mac->mac_phy.rev < 7 && reg == 1) { 174 BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__); 175 } 176 177 if (mac->mac_phy.rev >= 7) 178 reg |= 0x200; /* radio 0x2057 */ 179 else 180 reg |= 0x100; 181 182 BWN_WRITE_2(mac, BWN_RFCTL, reg); 183 return BWN_READ_2(mac, BWN_RFDATALO); 184} 185 186void 187bwn_phy_n_rf_write(struct bwn_mac *mac, uint16_t reg, uint16_t value) 188{ 189 190 /* Register 1 is a 32-bit register. */ 191 if (mac->mac_phy.rev < 7 && reg == 1) { 192 BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__); 193 } 194 195 BWN_WRITE_2(mac, BWN_RFCTL, reg); 196 BWN_WRITE_2(mac, BWN_RFDATALO, value); 197} 198 199int 200bwn_phy_n_hwpctl(struct bwn_mac *mac) 201{ 202 203 return (0); 204} 205 206void 207bwn_phy_n_rf_onoff(struct bwn_mac *mac, int on) 208{ 209#ifdef BWN_GPL_PHY 210 bwn_nphy_op_software_rfkill(mac, on); 211#endif 212} 213 214void 215bwn_phy_n_switch_analog(struct bwn_mac *mac, int on) 216{ 217#ifdef BWN_GPL_PHY 218 bwn_nphy_op_switch_analog(mac, on); 219#endif 220} 221 222int 223bwn_phy_n_switch_channel(struct bwn_mac *mac, uint32_t newchan) 224{ 225#ifdef BWN_GPL_PHY 226 return bwn_nphy_op_switch_channel(mac, newchan); 227#else 228 return (ENXIO); 229#endif 230} 231 232uint32_t 233bwn_phy_n_get_default_chan(struct bwn_mac *mac) 234{ 235 236 if (bwn_current_band(mac) == BWN_BAND_2G) 237 return (1); 238 return (36); 239} 240 241void 242bwn_phy_n_set_antenna(struct bwn_mac *mac, int antenna) 243{ 244 /* XXX TODO */ 245} 246 247int 248bwn_phy_n_im(struct bwn_mac *mac, int mode) 249{ 250 /* XXX TODO */ 251 return (0); 252} 253 254bwn_txpwr_result_t 255bwn_phy_n_recalc_txpwr(struct bwn_mac *mac, int ignore_tssi) 256{ 257#ifdef BWN_GPL_PHY 258 return bwn_nphy_op_recalc_txpower(mac, ignore_tssi); 259#else 260 return (BWN_TXPWR_RES_DONE); 261#endif 262} 263 264void 265bwn_phy_n_set_txpwr(struct bwn_mac *mac) 266{ 267 268} 269 270void 271bwn_phy_n_task_15s(struct bwn_mac *mac) 272{ 273 274} 275 276void 277bwn_phy_n_task_60s(struct bwn_mac *mac) 278{ 279 280} 281