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#include <dev/siba/siba_ids.h> 69#include <dev/siba/sibareg.h> 70#include <dev/siba/sibavar.h> 71 72#include <net80211/ieee80211_var.h> 73#include <net80211/ieee80211_radiotap.h> 74#include <net80211/ieee80211_regdomain.h> 75#include <net80211/ieee80211_phy.h> 76#include <net80211/ieee80211_ratectl.h> 77 78#include <dev/bwn/if_bwnreg.h> 79#include <dev/bwn/if_bwnvar.h> 80 81#include <dev/bwn/if_bwn_debug.h> 82#include <dev/bwn/if_bwn_misc.h> 83#include <dev/bwn/if_bwn_phy_n.h> 84 85#ifdef BWN_GPL_PHY 86#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_tables.h> 87#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_ppr.h> 88#include <gnu/dev/bwn/phy_n/if_bwn_phy_n_core.h> 89#endif 90 91/* 92 * This module is always compiled into the kernel, regardless of 93 * whether the GPL PHY is enabled. If the GPL PHY isn't enabled 94 * then it'll just be stubs that will fail to attach. 95 */ 96 97int 98bwn_phy_n_attach(struct bwn_mac *mac) 99{ 100 101#ifdef BWN_GPL_PHY 102 return bwn_nphy_op_allocate(mac); 103#else 104 device_printf(mac->mac_sc->sc_dev, 105 "%s: BWN_GPL_PHY not in kernel config; " 106 "no PHY-N support\n", __func__); 107 return (ENXIO); 108#endif 109} 110 111void 112bwn_phy_n_detach(struct bwn_mac *mac) 113{ 114 115#ifdef BWN_GPL_PHY 116 return bwn_nphy_op_free(mac); 117#endif 118} 119 120int 121bwn_phy_n_prepare_hw(struct bwn_mac *mac) 122{ 123 124#ifdef BWN_GPL_PHY 125 bwn_nphy_op_prepare_structs(mac); 126 return (0); 127#else 128 return (ENXIO); 129#endif 130} 131 132void 133bwn_phy_n_init_pre(struct bwn_mac *mac) 134{ 135 136 /* XXX TODO */ 137} 138 139int 140bwn_phy_n_init(struct bwn_mac *mac) 141{ 142#ifdef BWN_GPL_PHY 143 return bwn_nphy_op_init(mac); 144#else 145 return (ENXIO); 146#endif 147} 148 149void 150bwn_phy_n_exit(struct bwn_mac *mac) 151{ 152 153 /* XXX TODO */ 154} 155 156uint16_t 157bwn_phy_n_read(struct bwn_mac *mac, uint16_t reg) 158{ 159 160 BWN_WRITE_2(mac, BWN_PHYCTL, reg); 161 return BWN_READ_2(mac, BWN_PHYDATA); 162} 163 164void 165bwn_phy_n_write(struct bwn_mac *mac, uint16_t reg, uint16_t value) 166{ 167 168 BWN_WRITE_2(mac, BWN_PHYCTL, reg); 169 BWN_WRITE_2(mac, BWN_PHYDATA, value); 170} 171 172uint16_t 173bwn_phy_n_rf_read(struct bwn_mac *mac, uint16_t reg) 174{ 175 176 /* Register 1 is a 32-bit register. */ 177 if (mac->mac_phy.rev < 7 && reg == 1) { 178 BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__); 179 } 180 181 if (mac->mac_phy.rev >= 7) 182 reg |= 0x200; /* radio 0x2057 */ 183 else 184 reg |= 0x100; 185 186 BWN_WRITE_2(mac, BWN_RFCTL, reg); 187 return BWN_READ_2(mac, BWN_RFDATALO); 188} 189 190void 191bwn_phy_n_rf_write(struct bwn_mac *mac, uint16_t reg, uint16_t value) 192{ 193 194 /* Register 1 is a 32-bit register. */ 195 if (mac->mac_phy.rev < 7 && reg == 1) { 196 BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__); 197 } 198 199 BWN_WRITE_2(mac, BWN_RFCTL, reg); 200 BWN_WRITE_2(mac, BWN_RFDATALO, value); 201} 202 203int 204bwn_phy_n_hwpctl(struct bwn_mac *mac) 205{ 206 207 return (0); 208} 209 210void 211bwn_phy_n_rf_onoff(struct bwn_mac *mac, int on) 212{ 213#ifdef BWN_GPL_PHY 214 bwn_nphy_op_software_rfkill(mac, on); 215#endif 216} 217 218void 219bwn_phy_n_switch_analog(struct bwn_mac *mac, int on) 220{ 221#ifdef BWN_GPL_PHY 222 bwn_nphy_op_switch_analog(mac, on); 223#endif 224} 225 226int 227bwn_phy_n_switch_channel(struct bwn_mac *mac, uint32_t newchan) 228{ 229#ifdef BWN_GPL_PHY 230 return bwn_nphy_op_switch_channel(mac, newchan); 231#else 232 return (ENXIO); 233#endif 234} 235 236uint32_t 237bwn_phy_n_get_default_chan(struct bwn_mac *mac) 238{ 239 240 if (bwn_current_band(mac) == BWN_BAND_2G) 241 return (1); 242 return (36); 243} 244 245void 246bwn_phy_n_set_antenna(struct bwn_mac *mac, int antenna) 247{ 248 /* XXX TODO */ 249} 250 251int 252bwn_phy_n_im(struct bwn_mac *mac, int mode) 253{ 254 /* XXX TODO */ 255 return (0); 256} 257 258bwn_txpwr_result_t 259bwn_phy_n_recalc_txpwr(struct bwn_mac *mac, int ignore_tssi) 260{ 261#ifdef BWN_GPL_PHY 262 return bwn_nphy_op_recalc_txpower(mac, ignore_tssi); 263#else 264 return (BWN_TXPWR_RES_DONE); 265#endif 266} 267 268void 269bwn_phy_n_set_txpwr(struct bwn_mac *mac) 270{ 271 272} 273 274void 275bwn_phy_n_task_15s(struct bwn_mac *mac) 276{ 277 278} 279 280void 281bwn_phy_n_task_60s(struct bwn_mac *mac) 282{ 283 284} 285