1c68e865eSAdrian Chadd /*- 2c68e865eSAdrian Chadd * Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org> 3c68e865eSAdrian Chadd * Copyright (c) 2016 Adrian Chadd <adrian@freebsd.org> 4c68e865eSAdrian Chadd * All rights reserved. 5c68e865eSAdrian Chadd * 6c68e865eSAdrian Chadd * Redistribution and use in source and binary forms, with or without 7c68e865eSAdrian Chadd * modification, are permitted provided that the following conditions 8c68e865eSAdrian Chadd * are met: 9c68e865eSAdrian Chadd * 1. Redistributions of source code must retain the above copyright 10c68e865eSAdrian Chadd * notice, this list of conditions and the following disclaimer, 11c68e865eSAdrian Chadd * without modification. 12c68e865eSAdrian Chadd * 2. Redistributions in binary form must reproduce at minimum a disclaimer 13c68e865eSAdrian Chadd * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 14c68e865eSAdrian Chadd * redistribution must be conditioned upon including a substantially 15c68e865eSAdrian Chadd * similar Disclaimer requirement for further binary redistribution. 16c68e865eSAdrian Chadd * 17c68e865eSAdrian Chadd * NO WARRANTY 18c68e865eSAdrian Chadd * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19c68e865eSAdrian Chadd * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20c68e865eSAdrian Chadd * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 21c68e865eSAdrian Chadd * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 22c68e865eSAdrian Chadd * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 23c68e865eSAdrian Chadd * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24c68e865eSAdrian Chadd * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25c68e865eSAdrian Chadd * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 26c68e865eSAdrian Chadd * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27c68e865eSAdrian Chadd * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28c68e865eSAdrian Chadd * THE POSSIBILITY OF SUCH DAMAGES. 29c68e865eSAdrian Chadd */ 30c68e865eSAdrian Chadd 31c68e865eSAdrian Chadd #include <sys/cdefs.h> 32c68e865eSAdrian Chadd __FBSDID("$FreeBSD$"); 33c68e865eSAdrian Chadd 34*5025b8d5SAdrian Chadd #include "opt_bwn.h" 35*5025b8d5SAdrian Chadd #include "opt_wlan.h" 36*5025b8d5SAdrian Chadd 37c68e865eSAdrian Chadd /* 38c68e865eSAdrian Chadd * The Broadcom Wireless LAN controller driver. 39c68e865eSAdrian Chadd */ 40c68e865eSAdrian Chadd 41c68e865eSAdrian Chadd #include <sys/param.h> 42c68e865eSAdrian Chadd #include <sys/systm.h> 43c68e865eSAdrian Chadd #include <sys/kernel.h> 44c68e865eSAdrian Chadd #include <sys/malloc.h> 45c68e865eSAdrian Chadd #include <sys/module.h> 46c68e865eSAdrian Chadd #include <sys/endian.h> 47c68e865eSAdrian Chadd #include <sys/errno.h> 48c68e865eSAdrian Chadd #include <sys/firmware.h> 49c68e865eSAdrian Chadd #include <sys/lock.h> 50c68e865eSAdrian Chadd #include <sys/mutex.h> 51c68e865eSAdrian Chadd #include <machine/bus.h> 52c68e865eSAdrian Chadd #include <machine/resource.h> 53c68e865eSAdrian Chadd #include <sys/bus.h> 54c68e865eSAdrian Chadd #include <sys/rman.h> 55c68e865eSAdrian Chadd #include <sys/socket.h> 56c68e865eSAdrian Chadd #include <sys/sockio.h> 57c68e865eSAdrian Chadd 58c68e865eSAdrian Chadd #include <net/ethernet.h> 59c68e865eSAdrian Chadd #include <net/if.h> 60c68e865eSAdrian Chadd #include <net/if_var.h> 61c68e865eSAdrian Chadd #include <net/if_arp.h> 62c68e865eSAdrian Chadd #include <net/if_dl.h> 63c68e865eSAdrian Chadd #include <net/if_llc.h> 64c68e865eSAdrian Chadd #include <net/if_media.h> 65c68e865eSAdrian Chadd #include <net/if_types.h> 66c68e865eSAdrian Chadd 67c68e865eSAdrian Chadd #include <dev/pci/pcivar.h> 68c68e865eSAdrian Chadd #include <dev/pci/pcireg.h> 69c68e865eSAdrian Chadd #include <dev/siba/siba_ids.h> 70c68e865eSAdrian Chadd #include <dev/siba/sibareg.h> 71c68e865eSAdrian Chadd #include <dev/siba/sibavar.h> 72c68e865eSAdrian Chadd 73c68e865eSAdrian Chadd #include <net80211/ieee80211_var.h> 74c68e865eSAdrian Chadd #include <net80211/ieee80211_radiotap.h> 75c68e865eSAdrian Chadd #include <net80211/ieee80211_regdomain.h> 76c68e865eSAdrian Chadd #include <net80211/ieee80211_phy.h> 77c68e865eSAdrian Chadd #include <net80211/ieee80211_ratectl.h> 78c68e865eSAdrian Chadd 79c68e865eSAdrian Chadd #include <dev/bwn/if_bwnreg.h> 80c68e865eSAdrian Chadd #include <dev/bwn/if_bwnvar.h> 81c68e865eSAdrian Chadd 82c68e865eSAdrian Chadd #include <dev/bwn/if_bwn_chipid.h> 83c68e865eSAdrian Chadd #include <dev/bwn/if_bwn_debug.h> 84c68e865eSAdrian Chadd #include <dev/bwn/if_bwn_misc.h> 85c68e865eSAdrian Chadd #include <dev/bwn/if_bwn_phy_common.h> 86c68e865eSAdrian Chadd 87c68e865eSAdrian Chadd void 88c68e865eSAdrian Chadd bwn_mac_switch_freq(struct bwn_mac *mac, int spurmode) 89c68e865eSAdrian Chadd { 90c68e865eSAdrian Chadd struct bwn_softc *sc = mac->mac_sc; 91c68e865eSAdrian Chadd uint16_t chip_id = siba_get_chipid(sc->sc_dev); 92c68e865eSAdrian Chadd 93c68e865eSAdrian Chadd if (chip_id == BCMA_CHIP_ID_BCM4331) { 94c68e865eSAdrian Chadd switch (spurmode) { 95c68e865eSAdrian Chadd case 2: /* 168 Mhz: 2^26/168 = 0x61862 */ 96c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x1862); 97c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6); 98c68e865eSAdrian Chadd break; 99c68e865eSAdrian Chadd case 1: /* 164 Mhz: 2^26/164 = 0x63e70 */ 100c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x3e70); 101c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6); 102c68e865eSAdrian Chadd break; 103c68e865eSAdrian Chadd default: /* 160 Mhz: 2^26/160 = 0x66666 */ 104c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x6666); 105c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6); 106c68e865eSAdrian Chadd break; 107c68e865eSAdrian Chadd } 108c68e865eSAdrian Chadd } else if (chip_id == BCMA_CHIP_ID_BCM43131 || 109c68e865eSAdrian Chadd chip_id == BCMA_CHIP_ID_BCM43217 || 110c68e865eSAdrian Chadd chip_id == BCMA_CHIP_ID_BCM43222 || 111c68e865eSAdrian Chadd chip_id == BCMA_CHIP_ID_BCM43224 || 112c68e865eSAdrian Chadd chip_id == BCMA_CHIP_ID_BCM43225 || 113c68e865eSAdrian Chadd chip_id == BCMA_CHIP_ID_BCM43227 || 114c68e865eSAdrian Chadd chip_id == BCMA_CHIP_ID_BCM43228) { 115c68e865eSAdrian Chadd switch (spurmode) { 116c68e865eSAdrian Chadd case 2: /* 126 Mhz */ 117c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x2082); 118c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8); 119c68e865eSAdrian Chadd break; 120c68e865eSAdrian Chadd case 1: /* 123 Mhz */ 121c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x5341); 122c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8); 123c68e865eSAdrian Chadd break; 124c68e865eSAdrian Chadd default: /* 120 Mhz */ 125c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x8889); 126c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8); 127c68e865eSAdrian Chadd break; 128c68e865eSAdrian Chadd } 129c68e865eSAdrian Chadd } else if (mac->mac_phy.type == BWN_PHYTYPE_LCN) { 130c68e865eSAdrian Chadd switch (spurmode) { 131c68e865eSAdrian Chadd case 1: /* 82 Mhz */ 132c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x7CE0); 133c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0xC); 134c68e865eSAdrian Chadd break; 135c68e865eSAdrian Chadd default: /* 80 Mhz */ 136c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0xCCCD); 137c68e865eSAdrian Chadd BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0xC); 138c68e865eSAdrian Chadd break; 139c68e865eSAdrian Chadd } 140c68e865eSAdrian Chadd } 141c68e865eSAdrian Chadd } 142c68e865eSAdrian Chadd 143c68e865eSAdrian Chadd /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */ 144c68e865eSAdrian Chadd void 145c68e865eSAdrian Chadd bwn_phy_force_clock(struct bwn_mac *mac, int force) 146c68e865eSAdrian Chadd { 147c68e865eSAdrian Chadd struct bwn_softc *sc = mac->mac_sc; 148c68e865eSAdrian Chadd uint32_t tmp; 149c68e865eSAdrian Chadd 150c68e865eSAdrian Chadd /* XXX Only for N, HT and AC PHYs */ 151c68e865eSAdrian Chadd 152c68e865eSAdrian Chadd /* XXX bhnd bus */ 153c68e865eSAdrian Chadd if (bwn_is_bus_siba(mac)) { 154c68e865eSAdrian Chadd tmp = siba_read_4(sc->sc_dev, SIBA_TGSLOW); 155c68e865eSAdrian Chadd if (force) 156c68e865eSAdrian Chadd tmp |= SIBA_TGSLOW_FGC; 157c68e865eSAdrian Chadd else 158c68e865eSAdrian Chadd tmp &= ~SIBA_TGSLOW_FGC; 159c68e865eSAdrian Chadd siba_write_4(sc->sc_dev, SIBA_TGSLOW, tmp); 160c68e865eSAdrian Chadd } 161c68e865eSAdrian Chadd } 162c68e865eSAdrian Chadd 163c68e865eSAdrian Chadd int 164c68e865eSAdrian Chadd bwn_radio_wait_value(struct bwn_mac *mac, uint16_t offset, uint16_t mask, 165c68e865eSAdrian Chadd uint16_t value, int delay, int timeout) 166c68e865eSAdrian Chadd { 167c68e865eSAdrian Chadd uint16_t val; 168c68e865eSAdrian Chadd int i; 169c68e865eSAdrian Chadd 170c68e865eSAdrian Chadd for (i = 0; i < timeout; i += delay) { 171c68e865eSAdrian Chadd val = BWN_RF_READ(mac, offset); 172c68e865eSAdrian Chadd if ((val & mask) == value) 173c68e865eSAdrian Chadd return (1); 174c68e865eSAdrian Chadd DELAY(delay); 175c68e865eSAdrian Chadd } 176c68e865eSAdrian Chadd return (0); 177c68e865eSAdrian Chadd } 178c68e865eSAdrian Chadd 179c68e865eSAdrian Chadd void 180c68e865eSAdrian Chadd bwn_mac_phy_clock_set(struct bwn_mac *mac, int enabled) 181c68e865eSAdrian Chadd { 182c68e865eSAdrian Chadd struct bwn_softc *sc = mac->mac_sc; 183c68e865eSAdrian Chadd uint32_t val; 184c68e865eSAdrian Chadd 185c68e865eSAdrian Chadd /* XXX bhnd bus */ 186c68e865eSAdrian Chadd if (bwn_is_bus_siba(mac)) { 187c68e865eSAdrian Chadd val = siba_read_4(sc->sc_dev, SIBA_TGSLOW); 188c68e865eSAdrian Chadd if (enabled) 189c68e865eSAdrian Chadd val |= BWN_TMSLOW_MACPHYCLKEN; 190c68e865eSAdrian Chadd else 191c68e865eSAdrian Chadd val &= ~BWN_TMSLOW_MACPHYCLKEN; 192c68e865eSAdrian Chadd siba_write_4(sc->sc_dev, SIBA_TGSLOW, val); 193c68e865eSAdrian Chadd } 194c68e865eSAdrian Chadd } 195c68e865eSAdrian Chadd 196c68e865eSAdrian Chadd /* http://bcm-v4.sipsolutions.net/802.11/PHY/BmacCorePllReset */ 197c68e865eSAdrian Chadd void 198c68e865eSAdrian Chadd bwn_wireless_core_phy_pll_reset(struct bwn_mac *mac) 199c68e865eSAdrian Chadd { 200c68e865eSAdrian Chadd struct bwn_softc *sc = mac->mac_sc; 201c68e865eSAdrian Chadd 202c68e865eSAdrian Chadd /* XXX bhnd bus */ 203c68e865eSAdrian Chadd if (bwn_is_bus_siba(mac)) { 204c68e865eSAdrian Chadd siba_cc_write32(sc->sc_dev, SIBA_CC_CHIPCTL_ADDR, 0); 205c68e865eSAdrian Chadd siba_cc_mask32(sc->sc_dev, SIBA_CC_CHIPCTL_DATA, ~0x4); 206c68e865eSAdrian Chadd siba_cc_set32(sc->sc_dev, SIBA_CC_CHIPCTL_DATA, 0x4); 207c68e865eSAdrian Chadd siba_cc_mask32(sc->sc_dev, SIBA_CC_CHIPCTL_DATA, ~0x4); 208c68e865eSAdrian Chadd } 209c68e865eSAdrian Chadd } 210