svn commit: r299758 - head/sys/dev/bwn
Adrian Chadd
adrian at FreeBSD.org
Sat May 14 20:11:49 UTC 2016
Author: adrian
Date: Sat May 14 20:11:48 2016
New Revision: 299758
URL: https://svnweb.freebsd.org/changeset/base/299758
Log:
[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
Added:
head/sys/dev/bwn/if_bwn_phy_common.c (contents, props changed)
head/sys/dev/bwn/if_bwn_phy_common.h (contents, props changed)
Added: head/sys/dev/bwn/if_bwn_phy_common.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/bwn/if_bwn_phy_common.c Sat May 14 20:11:48 2016 (r299758)
@@ -0,0 +1,206 @@
+/*-
+ * Copyright (c) 2009-2010 Weongyo Jeong <weongyo at freebsd.org>
+ * Copyright (c) 2016 Adrian Chadd <adrian at freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer,
+ * 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
+ * similar Disclaimer requirement for further binary redistribution.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * The Broadcom Wireless LAN controller driver.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/endian.h>
+#include <sys/errno.h>
+#include <sys/firmware.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/bus.h>
+#include <sys/rman.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+
+#include <net/ethernet.h>
+#include <net/if.h>
+#include <net/if_var.h>
+#include <net/if_arp.h>
+#include <net/if_dl.h>
+#include <net/if_llc.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/siba/siba_ids.h>
+#include <dev/siba/sibareg.h>
+#include <dev/siba/sibavar.h>
+
+#include <net80211/ieee80211_var.h>
+#include <net80211/ieee80211_radiotap.h>
+#include <net80211/ieee80211_regdomain.h>
+#include <net80211/ieee80211_phy.h>
+#include <net80211/ieee80211_ratectl.h>
+
+#include <dev/bwn/if_bwnreg.h>
+#include <dev/bwn/if_bwnvar.h>
+
+#include <dev/bwn/if_bwn_chipid.h>
+#include <dev/bwn/if_bwn_debug.h>
+#include <dev/bwn/if_bwn_misc.h>
+#include <dev/bwn/if_bwn_phy_common.h>
+
+void
+bwn_mac_switch_freq(struct bwn_mac *mac, int spurmode)
+{
+ struct bwn_softc *sc = mac->mac_sc;
+ uint16_t chip_id = siba_get_chipid(sc->sc_dev);
+
+ if (chip_id == BCMA_CHIP_ID_BCM4331) {
+ switch (spurmode) {
+ case 2: /* 168 Mhz: 2^26/168 = 0x61862 */
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x1862);
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6);
+ break;
+ case 1: /* 164 Mhz: 2^26/164 = 0x63e70 */
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x3e70);
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6);
+ break;
+ default: /* 160 Mhz: 2^26/160 = 0x66666 */
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x6666);
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6);
+ break;
+ }
+ } else if (chip_id == BCMA_CHIP_ID_BCM43131 ||
+ chip_id == BCMA_CHIP_ID_BCM43217 ||
+ chip_id == BCMA_CHIP_ID_BCM43222 ||
+ chip_id == BCMA_CHIP_ID_BCM43224 ||
+ chip_id == BCMA_CHIP_ID_BCM43225 ||
+ chip_id == BCMA_CHIP_ID_BCM43227 ||
+ chip_id == BCMA_CHIP_ID_BCM43228) {
+ switch (spurmode) {
+ case 2: /* 126 Mhz */
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x2082);
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8);
+ break;
+ case 1: /* 123 Mhz */
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x5341);
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8);
+ break;
+ default: /* 120 Mhz */
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x8889);
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8);
+ break;
+ }
+ } else if (mac->mac_phy.type == BWN_PHYTYPE_LCN) {
+ switch (spurmode) {
+ case 1: /* 82 Mhz */
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x7CE0);
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0xC);
+ break;
+ default: /* 80 Mhz */
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0xCCCD);
+ BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0xC);
+ break;
+ }
+ }
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
+void
+bwn_phy_force_clock(struct bwn_mac *mac, int force)
+{
+ struct bwn_softc *sc = mac->mac_sc;
+ uint32_t tmp;
+
+ /* XXX Only for N, HT and AC PHYs */
+
+ /* XXX bhnd bus */
+ if (bwn_is_bus_siba(mac)) {
+ tmp = siba_read_4(sc->sc_dev, SIBA_TGSLOW);
+ if (force)
+ tmp |= SIBA_TGSLOW_FGC;
+ else
+ tmp &= ~SIBA_TGSLOW_FGC;
+ siba_write_4(sc->sc_dev, SIBA_TGSLOW, tmp);
+ }
+}
+
+int
+bwn_radio_wait_value(struct bwn_mac *mac, uint16_t offset, uint16_t mask,
+ uint16_t value, int delay, int timeout)
+{
+ uint16_t val;
+ int i;
+
+ for (i = 0; i < timeout; i += delay) {
+ val = BWN_RF_READ(mac, offset);
+ if ((val & mask) == value)
+ return (1);
+ DELAY(delay);
+ }
+ return (0);
+}
+
+void
+bwn_mac_phy_clock_set(struct bwn_mac *mac, int enabled)
+{
+ struct bwn_softc *sc = mac->mac_sc;
+ uint32_t val;
+
+ /* XXX bhnd bus */
+ if (bwn_is_bus_siba(mac)) {
+ val = siba_read_4(sc->sc_dev, SIBA_TGSLOW);
+ if (enabled)
+ val |= BWN_TMSLOW_MACPHYCLKEN;
+ else
+ val &= ~BWN_TMSLOW_MACPHYCLKEN;
+ siba_write_4(sc->sc_dev, SIBA_TGSLOW, val);
+ }
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/BmacCorePllReset */
+void
+bwn_wireless_core_phy_pll_reset(struct bwn_mac *mac)
+{
+ struct bwn_softc *sc = mac->mac_sc;
+
+ /* XXX bhnd bus */
+ if (bwn_is_bus_siba(mac)) {
+ siba_cc_write32(sc->sc_dev, SIBA_CC_CHIPCTL_ADDR, 0);
+ siba_cc_mask32(sc->sc_dev, SIBA_CC_CHIPCTL_DATA, ~0x4);
+ siba_cc_set32(sc->sc_dev, SIBA_CC_CHIPCTL_DATA, 0x4);
+ siba_cc_mask32(sc->sc_dev, SIBA_CC_CHIPCTL_DATA, ~0x4);
+ }
+}
Added: head/sys/dev/bwn/if_bwn_phy_common.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/bwn/if_bwn_phy_common.h Sat May 14 20:11:48 2016 (r299758)
@@ -0,0 +1,41 @@
+/*-
+ * Copyright (c) 2016 Adrian Chadd <adrian at FreeBSD.org>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer,
+ * 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
+ * similar Disclaimer requirement for further binary redistribution.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * $FreeBSD$
+ */
+#ifndef __PHY_COMMON_H__
+#define __PHY_COMMON_H__
+
+extern void bwn_mac_switch_freq(struct bwn_mac *mac, int spurmode);
+extern void bwn_phy_force_clock(struct bwn_mac *mac, int force);
+extern int bwn_radio_wait_value(struct bwn_mac *mac, uint16_t offset,
+ uint16_t mask, uint16_t value, int delay, int timeout);
+extern void bwn_mac_phy_clock_set(struct bwn_mac *mac, int enabled);
+extern void bwn_wireless_core_phy_pll_reset(struct bwn_mac *mac);
+
+#endif /* __PHY_COMMON_H__ */
More information about the svn-src-head
mailing list