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[bwn] begin migrating PHY common routines into if_bwn_phy_common.[ch].
This isn't compiled in yet; so some code here duplicates what is in the existing code. I'll migrate it all out in subsequent commits. Obtained from: b43 (definitions), bcm-v4 specifications website
This commit is contained in:
Adrian Chadd
parent
020cb2200b
commit
c68e865e8f
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=299758
206
sys/dev/bwn/if_bwn_phy_common.c
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206
sys/dev/bwn/if_bwn_phy_common.c
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/*-
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* Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org>
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* Copyright (c) 2016 Adrian Chadd <adrian@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* The Broadcom Wireless LAN controller driver.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/endian.h>
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#include <sys/errno.h>
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#include <sys/firmware.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_arp.h>
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#include <net/if_dl.h>
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#include <net/if_llc.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/siba/siba_ids.h>
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#include <dev/siba/sibareg.h>
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#include <dev/siba/sibavar.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <net80211/ieee80211_regdomain.h>
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#include <net80211/ieee80211_phy.h>
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#include <net80211/ieee80211_ratectl.h>
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#include <dev/bwn/if_bwnreg.h>
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#include <dev/bwn/if_bwnvar.h>
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#include <dev/bwn/if_bwn_chipid.h>
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#include <dev/bwn/if_bwn_debug.h>
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#include <dev/bwn/if_bwn_misc.h>
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#include <dev/bwn/if_bwn_phy_common.h>
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void
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bwn_mac_switch_freq(struct bwn_mac *mac, int spurmode)
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{
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struct bwn_softc *sc = mac->mac_sc;
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uint16_t chip_id = siba_get_chipid(sc->sc_dev);
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if (chip_id == BCMA_CHIP_ID_BCM4331) {
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switch (spurmode) {
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case 2: /* 168 Mhz: 2^26/168 = 0x61862 */
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x1862);
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6);
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break;
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case 1: /* 164 Mhz: 2^26/164 = 0x63e70 */
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x3e70);
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6);
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break;
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default: /* 160 Mhz: 2^26/160 = 0x66666 */
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x6666);
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6);
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break;
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}
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} else if (chip_id == BCMA_CHIP_ID_BCM43131 ||
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chip_id == BCMA_CHIP_ID_BCM43217 ||
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chip_id == BCMA_CHIP_ID_BCM43222 ||
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chip_id == BCMA_CHIP_ID_BCM43224 ||
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chip_id == BCMA_CHIP_ID_BCM43225 ||
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chip_id == BCMA_CHIP_ID_BCM43227 ||
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chip_id == BCMA_CHIP_ID_BCM43228) {
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switch (spurmode) {
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case 2: /* 126 Mhz */
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x2082);
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8);
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break;
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case 1: /* 123 Mhz */
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x5341);
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8);
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break;
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default: /* 120 Mhz */
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x8889);
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8);
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break;
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}
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} else if (mac->mac_phy.type == BWN_PHYTYPE_LCN) {
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switch (spurmode) {
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case 1: /* 82 Mhz */
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x7CE0);
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0xC);
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break;
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default: /* 80 Mhz */
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0xCCCD);
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BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0xC);
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break;
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}
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}
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
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void
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bwn_phy_force_clock(struct bwn_mac *mac, int force)
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{
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struct bwn_softc *sc = mac->mac_sc;
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uint32_t tmp;
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/* XXX Only for N, HT and AC PHYs */
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/* XXX bhnd bus */
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if (bwn_is_bus_siba(mac)) {
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tmp = siba_read_4(sc->sc_dev, SIBA_TGSLOW);
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if (force)
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tmp |= SIBA_TGSLOW_FGC;
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else
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tmp &= ~SIBA_TGSLOW_FGC;
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siba_write_4(sc->sc_dev, SIBA_TGSLOW, tmp);
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}
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}
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int
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bwn_radio_wait_value(struct bwn_mac *mac, uint16_t offset, uint16_t mask,
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uint16_t value, int delay, int timeout)
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{
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uint16_t val;
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int i;
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for (i = 0; i < timeout; i += delay) {
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val = BWN_RF_READ(mac, offset);
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if ((val & mask) == value)
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return (1);
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DELAY(delay);
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}
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return (0);
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}
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void
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bwn_mac_phy_clock_set(struct bwn_mac *mac, int enabled)
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{
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struct bwn_softc *sc = mac->mac_sc;
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uint32_t val;
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/* XXX bhnd bus */
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if (bwn_is_bus_siba(mac)) {
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val = siba_read_4(sc->sc_dev, SIBA_TGSLOW);
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if (enabled)
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val |= BWN_TMSLOW_MACPHYCLKEN;
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else
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val &= ~BWN_TMSLOW_MACPHYCLKEN;
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siba_write_4(sc->sc_dev, SIBA_TGSLOW, val);
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}
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/BmacCorePllReset */
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void
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bwn_wireless_core_phy_pll_reset(struct bwn_mac *mac)
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{
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struct bwn_softc *sc = mac->mac_sc;
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/* XXX bhnd bus */
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if (bwn_is_bus_siba(mac)) {
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siba_cc_write32(sc->sc_dev, SIBA_CC_CHIPCTL_ADDR, 0);
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siba_cc_mask32(sc->sc_dev, SIBA_CC_CHIPCTL_DATA, ~0x4);
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siba_cc_set32(sc->sc_dev, SIBA_CC_CHIPCTL_DATA, 0x4);
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siba_cc_mask32(sc->sc_dev, SIBA_CC_CHIPCTL_DATA, ~0x4);
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}
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}
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41
sys/dev/bwn/if_bwn_phy_common.h
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41
sys/dev/bwn/if_bwn_phy_common.h
Normal file
@ -0,0 +1,41 @@
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/*-
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* Copyright (c) 2016 Adrian Chadd <adrian@FreeBSD.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
|
||||
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
||||
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
|
||||
* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
|
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
|
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
|
||||
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*
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* $FreeBSD$
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*/
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#ifndef __PHY_COMMON_H__
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#define __PHY_COMMON_H__
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extern void bwn_mac_switch_freq(struct bwn_mac *mac, int spurmode);
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extern void bwn_phy_force_clock(struct bwn_mac *mac, int force);
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extern int bwn_radio_wait_value(struct bwn_mac *mac, uint16_t offset,
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uint16_t mask, uint16_t value, int delay, int timeout);
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extern void bwn_mac_phy_clock_set(struct bwn_mac *mac, int enabled);
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extern void bwn_wireless_core_phy_pll_reset(struct bwn_mac *mac);
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#endif /* __PHY_COMMON_H__ */
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