svn commit: r220587 - in head/sys: conf dev/ath/ath_hal/ar9002 modules/ath

Adrian Chadd adrian at FreeBSD.org
Wed Apr 13 02:40:45 UTC 2011


Author: adrian
Date: Wed Apr 13 02:40:45 2011
New Revision: 220587
URL: http://svn.freebsd.org/changeset/base/220587

Log:
  Add the initial AR9285 PHY glue for supporting antenna diversity.
  This code isn't currently used anywhere; it's just linked into the build.

Added:
  head/sys/dev/ath/ath_hal/ar9002/ar9285_phy.c   (contents, props changed)
  head/sys/dev/ath/ath_hal/ar9002/ar9285_phy.h   (contents, props changed)
Modified:
  head/sys/conf/files
  head/sys/modules/ath/Makefile

Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files	Wed Apr 13 00:36:19 2011	(r220586)
+++ head/sys/conf/files	Wed Apr 13 02:40:45 2011	(r220587)
@@ -773,6 +773,8 @@ dev/ath/ath_hal/ar9002/ar9285_reset.c op
 	compile-with "${NORMAL_C} -I$S/dev/ath -I$S/dev/ath/ath_hal"
 dev/ath/ath_hal/ar9002/ar9285_cal.c optional ath_hal | ath_ar9285 \ 
 	compile-with "${NORMAL_C} -I$S/dev/ath -I$S/dev/ath/ath_hal"
+dev/ath/ath_hal/ar9002/ar9285_phy.c optional ath_hal | ath_ar9285 \ 
+	compile-with "${NORMAL_C} -I$S/dev/ath -I$S/dev/ath/ath_hal"
 # rf backends
 dev/ath/ath_hal/ar5212/ar2316.c	optional ath_rf2316 \
 	compile-with "${NORMAL_C} -I$S/dev/ath -I$S/dev/ath/ath_hal"

Added: head/sys/dev/ath/ath_hal/ar9002/ar9285_phy.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/dev/ath/ath_hal/ar9002/ar9285_phy.c	Wed Apr 13 02:40:45 2011	(r220587)
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2008-2010 Atheros Communications Inc.
+ * Copyright (c) 2010-2011 Adrian Chadd, Xenion Pty Ltd.
+ *
+ * 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.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
+ *
+ * $FreeBSD$
+ */
+#include "opt_ah.h"
+
+#include "ah.h"
+#include "ah_internal.h"
+#include "ah_devid.h"
+#include "ah_eeprom_v4k.h"
+
+#include "ar9002/ar9280.h"
+#include "ar9002/ar9285.h"
+#include "ar5416/ar5416reg.h"
+#include "ar5416/ar5416phy.h"
+#include "ar9002/ar9285phy.h"
+#include "ar9002/ar9285_phy.h"
+
+void
+ar9285_antdiv_comb_conf_get(struct ath_hal *ah,
+    struct ar9285_antcomb_conf *antconf)
+{
+	uint32_t regval;
+
+	regval = OS_REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL);
+	antconf->main_lna_conf = (regval & AR_PHY_9285_ANT_DIV_MAIN_LNACONF) >>
+				  AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S;
+	antconf->alt_lna_conf = (regval & AR_PHY_9285_ANT_DIV_ALT_LNACONF) >>
+				 AR_PHY_9285_ANT_DIV_ALT_LNACONF_S;
+	antconf->fast_div_bias = (regval & AR_PHY_9285_FAST_DIV_BIAS) >>
+				  AR_PHY_9285_FAST_DIV_BIAS_S;
+}
+
+void
+ar9285_antdiv_comb_conf_set(struct ath_hal *ah,
+    struct ar9285_antcomb_conf *antconf)
+{
+	uint32_t regval;
+
+	regval = OS_REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL);
+	regval &= ~(AR_PHY_9285_ANT_DIV_MAIN_LNACONF |
+		    AR_PHY_9285_ANT_DIV_ALT_LNACONF |
+		    AR_PHY_9285_FAST_DIV_BIAS);
+	regval |= ((antconf->main_lna_conf << AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S)
+		   & AR_PHY_9285_ANT_DIV_MAIN_LNACONF);
+	regval |= ((antconf->alt_lna_conf << AR_PHY_9285_ANT_DIV_ALT_LNACONF_S)
+		   & AR_PHY_9285_ANT_DIV_ALT_LNACONF);
+	regval |= ((antconf->fast_div_bias << AR_PHY_9285_FAST_DIV_BIAS_S)
+		   & AR_PHY_9285_FAST_DIV_BIAS);
+
+	OS_REG_WRITE(ah, AR_PHY_MULTICHAIN_GAIN_CTL, regval);
+}
+
+/*
+ * Check whether antenna diversity should be enabled
+ */
+int
+ar9285_check_div_comb(struct ath_hal *ah)
+{
+	uint8_t ant_div_ctl1;
+	HAL_EEPROM_v4k *ee = AH_PRIVATE(ah)->ah_eeprom;
+        const MODAL_EEP4K_HEADER *pModal = &ee->ee_base.modalHeader;
+
+	if (! AR_SREV_KITE(ah))
+		return 0;
+
+	if (pModal->version < 3)
+		return 0;
+
+	ant_div_ctl1 = pModal->antdiv_ctl1;
+	if ((ant_div_ctl1 & 0x1) && ((ant_div_ctl1 >> 3) & 0x1))
+		return 1;
+
+	return 0;
+}

Added: head/sys/dev/ath/ath_hal/ar9002/ar9285_phy.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/dev/ath/ath_hal/ar9002/ar9285_phy.h	Wed Apr 13 02:40:45 2011	(r220587)
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2008-2010 Atheros Communications Inc.
+ * Copyright (c) 2010-2011 Adrian Chadd, Xenion Pty Ltd.
+ *
+ * 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.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
+ *
+ * $FreeBSD$
+ */
+#ifndef	__AR9285_PHY_H__
+#define	__AR9285_PHY_H__
+
+/*
+ * Manipulate AR9285 antenna diversity configuration
+ */
+struct ar9285_antcomb_conf {
+	uint8_t main_lna_conf;
+	uint8_t alt_lna_conf;
+	uint8_t fast_div_bias;
+};
+
+extern	void ar9285_antdiv_comb_conf_set(struct ath_hal *ah,
+		struct ar9285_antcomb_conf *antconf);
+extern	void ar9285_antdiv_comb_conf_get(struct ath_hal *ah,
+		struct ar9285_antcomb_conf *antconf);
+extern	int ar9285_check_div_comb(struct ath_hal *ah);
+
+#endif

Modified: head/sys/modules/ath/Makefile
==============================================================================
--- head/sys/modules/ath/Makefile	Wed Apr 13 00:36:19 2011	(r220586)
+++ head/sys/modules/ath/Makefile	Wed Apr 13 02:40:45 2011	(r220587)
@@ -98,7 +98,7 @@ SRCS+=	ar9160_attach.c
 
 .PATH:	${.CURDIR}/../../dev/ath/ath_hal/ar9002
 SRCS+=	ar9280.c ar9280_attach.c ar9280_olc.c
-SRCS+=	ar9285.c ar9285_reset.c ar9285_attach.c ar9285_cal.c
+SRCS+=	ar9285.c ar9285_reset.c ar9285_attach.c ar9285_cal.c ar9285_phy.c
 
 # NB: rate control is bound to the driver by symbol names so only pick one
 .if ${ATH_RATE} == "sample"


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