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 94 int 95 bwn_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 } 107 108 void 109 bwn_phy_n_detach(struct bwn_mac *mac) 110 { 111 112 #ifdef BWN_GPL_PHY 113 return bwn_nphy_op_free(mac); 114 #endif 115 } 116 117 int 118 bwn_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 } 127 128 void 129 bwn_phy_n_init_pre(struct bwn_mac *mac) 130 { 131 132 /* XXX TODO */ 133 } 134 135 int 136 bwn_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 } 144 145 void 146 bwn_phy_n_exit(struct bwn_mac *mac) 147 { 148 149 /* XXX TODO */ 150 } 151 152 uint16_t 153 bwn_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 } 159 160 void 161 bwn_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 } 167 168 uint16_t 169 bwn_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 } 185 186 void 187 bwn_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 } 198 199 int 200 bwn_phy_n_hwpctl(struct bwn_mac *mac) 201 { 202 203 return (0); 204 } 205 206 void 207 bwn_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 } 213 214 void 215 bwn_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 } 221 222 int 223 bwn_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 } 231 232 uint32_t 233 bwn_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 } 240 241 void 242 bwn_phy_n_set_antenna(struct bwn_mac *mac, int antenna) 243 { 244 /* XXX TODO */ 245 } 246 247 int 248 bwn_phy_n_im(struct bwn_mac *mac, int mode) 249 { 250 /* XXX TODO */ 251 return (0); 252 } 253 254 bwn_txpwr_result_t 255 bwn_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 } 263 264 void 265 bwn_phy_n_set_txpwr(struct bwn_mac *mac) 266 { 267 268 } 269 270 void 271 bwn_phy_n_task_15s(struct bwn_mac *mac) 272 { 273 274 } 275 276 void 277 bwn_phy_n_task_60s(struct bwn_mac *mac) 278 { 279 280 } 281