X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=carlfw%2Fsrc%2Frf.c;h=8deafb50cb167fbbe54845bbc7a583b27f0a92e5;hb=d57b31e45dca1087cefd56876a0a8064efe4e29c;hp=9bb8394dc1b246646065743bdbe1168d1aea98ce;hpb=dcad07e89b7118ec4cf85af567030b73179a4c29;p=carl9170fw.git

diff --git a/carlfw/src/rf.c b/carlfw/src/rf.c
index 9bb8394..8deafb5 100644
--- a/carlfw/src/rf.c
+++ b/carlfw/src/rf.c
@@ -6,7 +6,7 @@
  * Copyright (c) 2000-2005 ZyDAS Technology Corporation
  * Copyright (c) 2007-2009 Atheros Communications, Inc.
  * Copyright	2009	Johannes Berg <johannes@sipsolutions.net>
- * Copyright 2009, 2010 Christian Lamparter <chunkeey@googlemail.com>
+ * Copyright 2009-2011	Christian Lamparter <chunkeey@googlemail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -29,16 +29,33 @@
 #include "rf.h"
 #include "shared/phy.h"
 
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
-static void set_channel_start(void)
+void tally_update(void)
 {
-	/* Manipulate CCA threshold to stop transmission */
-	set(AR9170_PHY_REG_CCA_THRESHOLD, 0x300);
-	/* Enable Virtual CCA */
-	orl(AR9170_MAC_REG_QOS_PRIORITY_VIRTUAL_CCA,
-	    AR9170_MAC_VIRTUAL_CCA_ALL);
+	unsigned int time;
+
+#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
+	unsigned int main_not_free, ext_not_free;
+
+	main_not_free = get(AR9170_MAC_REG_CHANNEL_BUSY);
+	ext_not_free = get(AR9170_MAC_REG_EXT_BUSY);
+	time = get_clock_counter();
+
+	if (fw.phy.state == CARL9170_PHY_ON) {
+		unsigned int us_delta = (time - fw.tally_clock) / max(fw.ticks_per_usec, 40u);
+
+		fw.tally.active += us_delta;
+		fw.tally.main_free += main_not_free;
+		fw.tally.ext_free += ext_not_free;
+	}
+#else
+	time = get_clock_counter();
+
+#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
+
+	fw.tally_clock = time;
 }
 
+#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
 static void set_channel_end(void)
 {
 	/* Manipulate CCA threshold to resume transmission */
@@ -46,11 +63,28 @@ static void set_channel_end(void)
 	/* Disable Virtual CCA */
 	andl(AR9170_MAC_REG_QOS_PRIORITY_VIRTUAL_CCA,
 	     ~AR9170_MAC_VIRTUAL_CCA_ALL);
+
+	/* clear statistics */
+	tally_update();
+
+	fw.phy.state = CARL9170_PHY_ON;
 }
 
 void rf_notify_set_channel(void)
 {
-	set_channel_start();
+	tally_update();
+
+	/* Manipulate CCA threshold to stop transmission */
+	set(AR9170_PHY_REG_CCA_THRESHOLD, 0x300);
+	/* Enable Virtual CCA */
+	orl(AR9170_MAC_REG_QOS_PRIORITY_VIRTUAL_CCA,
+	    AR9170_MAC_VIRTUAL_CCA_ALL);
+
+	/* reset CCA stats */
+	fw.tally.active = 0;
+	fw.tally.main_free = 0;
+	fw.tally.ext_free = 0;
+	fw.phy.state = CARL9170_PHY_OFF;
 }
 
 /*
@@ -199,10 +233,13 @@ void rf_cmd(const struct carl9170_cmd *cmd, struct carl9170_rsp *resp)
 	fw.phy.ht_settings = cmd->rf_init.ht_settings;
 	fw.phy.frequency = cmd->rf_init.freq;
 
+	/*
+	 * Is the clock controlled by the PHY?
+	 */
 	if ((fw.phy.ht_settings & EIGHTY_FLAG) == EIGHTY_FLAG)
-		clock_set(true, AHB_80_88MHZ);
+		clock_set(AHB_80_88MHZ, true);
 	else
-		clock_set(true, AHB_40_44MHZ);
+		clock_set(AHB_40_44MHZ, true);
 
 	ret = rf_init(le32_to_cpu(cmd->rf_init.delta_slope_coeff_exp),
 		      le32_to_cpu(cmd->rf_init.delta_slope_coeff_man),
@@ -215,15 +252,10 @@ void rf_cmd(const struct carl9170_cmd *cmd, struct carl9170_rsp *resp)
 	resp->rf_init_res.ret = cpu_to_le32(ret);
 }
 
-#ifdef CONFIG_CARL9170FW_PSM
 void rf_psm(void)
 {
 	u32 bank3;
 
-	/*
-	 * FIXME: Does not work on 5GHz band!
-	 */
-
 	if (fw.phy.psm.state == CARL9170_PSM_SOFTWARE) {
 		/* not enabled by the driver */
 		return;
@@ -244,7 +276,8 @@ void rf_psm(void)
 		/* Synthesizer off + RX off */
 		bank3 = 0x00400018;
 
-		clock_set(true, AHB_20_22MHZ);
+		tally_update();
+		fw.phy.state = CARL9170_PHY_OFF;
 	} else {
 		/* advance to the next PSM step */
 		fw.phy.psm.state--;
@@ -261,20 +294,17 @@ void rf_psm(void)
 			/* Synthesizer on + RX on */
 			bank3 = 0x01420098;
 
-			if ((fw.phy.ht_settings & EIGHTY_FLAG) == EIGHTY_FLAG)
-				clock_set(true, AHB_80_88MHZ);
-			else
-				clock_set(true, AHB_40_44MHZ);
+			tally_update();
+			fw.phy.state = CARL9170_PHY_ON;
 		} else {
 			return ;
 		}
 	}
 
-	if (fw.phy.frequency < 30000000)
+	if (fw.phy.frequency < 3000000)
 		bank3 |= 0x00800000;
 
 	set(0x1c58f0, bank3);
 }
-#endif /* CONFIG_CARL9170FW_PSM */
 
 #endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */