openwrt-xburst/target/linux/s3c24xx/patches-2.6.24/1115-fix-wlan-disable.patch.patch

From e5b19d7219195af3496f3f3904e62d75d300156f Mon Sep 17 00:00:00 2001
From: Sameo <sameo@openedhand.com>
Date: Sun, 13 Apr 2008 07:25:55 +0100
Subject: [PATCH] fix-wlan-disable.patch

see
http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=1288
---
 .../sdio/function/wlan/ar6000/ar6000/ar6000_drv.c  |    1 +
 .../sdio/function/wlan/ar6000/ar6000/ar6000_drv.h  |    1 +
 .../function/wlan/ar6000/ar6000/wireless_ext.c     |   19 +++++++++--
 .../sdio/function/wlan/ar6000/include/wmi_api.h    |    1 +
 drivers/sdio/function/wlan/ar6000/wmi/wmi.c        |   33 ++++++++++++++++++++
 5 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/drivers/sdio/function/wlan/ar6000/ar6000/ar6000_drv.c b/drivers/sdio/function/wlan/ar6000/ar6000/ar6000_drv.c
index bb9ef55..d35f31c 100644
--- a/drivers/sdio/function/wlan/ar6000/ar6000/ar6000_drv.c
+++ b/drivers/sdio/function/wlan/ar6000/ar6000/ar6000_drv.c
@@ -704,6 +704,7 @@ ar6000_avail_ev(HTC_HANDLE HTCHandle)
     ar->arHtcTarget          = HTCHandle;
     ar->arHifDevice          = HTCGetHifDevice(HTCHandle);
     ar->arWlanState          = WLAN_ENABLED;
+    ar->arRadioSwitch        = WLAN_ENABLED;
     ar->arDeviceIndex        = device_index;
 
     A_INIT_TIMER(&ar->arHBChallengeResp.timer, ar6000_detect_error, dev);
diff --git a/drivers/sdio/function/wlan/ar6000/ar6000/ar6000_drv.h b/drivers/sdio/function/wlan/ar6000/ar6000/ar6000_drv.h
index c7b6ec4..655288b 100644
--- a/drivers/sdio/function/wlan/ar6000/ar6000/ar6000_drv.h
+++ b/drivers/sdio/function/wlan/ar6000/ar6000/ar6000_drv.h
@@ -201,6 +201,7 @@ typedef struct ar6_softc {
     A_BOOL                  arWmiEnabled;
     A_BOOL                  arWmiReady;
     A_BOOL                  arConnected;
+    A_BOOL                  arRadioSwitch;
     HTC_HANDLE              arHtcTarget;
     void                    *arHifDevice;
     spinlock_t              arLock;
diff --git a/drivers/sdio/function/wlan/ar6000/ar6000/wireless_ext.c b/drivers/sdio/function/wlan/ar6000/ar6000/wireless_ext.c
index d775e4d..db749e2 100644
--- a/drivers/sdio/function/wlan/ar6000/ar6000/wireless_ext.c
+++ b/drivers/sdio/function/wlan/ar6000/ar6000/wireless_ext.c
@@ -649,8 +649,16 @@ ar6000_ioctl_siwtxpow(struct net_device *dev,
         return -EIO;
     }
 
-    if (rrq->disabled) {
-        return -EOPNOTSUPP;
+    if (ar->arRadioSwitch == WLAN_ENABLED
+	&& rrq->disabled) {
+	    if (wmi_switch_radio(ar->arWmi, WLAN_DISABLED) < 0)
+		    return -EIO;
+	    ar->arRadioSwitch = WLAN_DISABLED;
+    } else if (ar->arRadioSwitch == WLAN_DISABLED
+	       && !rrq->disabled) {
+	    if (wmi_switch_radio(ar->arWmi, WLAN_ENABLED) < 0)
+		    return -EIO;
+	    ar->arRadioSwitch = WLAN_ENABLED;
     }
 
     if (rrq->fixed) {
@@ -686,6 +694,11 @@ ar6000_ioctl_giwtxpow(struct net_device *dev,
         return -EIO;
     }
 
+    if (ar->arRadioSwitch == WLAN_DISABLED) {
+	    rrq->disabled = 1;
+	    return 0;
+    }
+
     if (down_interruptible(&ar->arSem)) {
         return -ERESTARTSYS;
     }
@@ -1610,7 +1623,7 @@ ar6000_ioctl_giwrange(struct net_device *dev,
     data->length = sizeof(struct iw_range);
     A_MEMZERO(range, sizeof(struct iw_range));
 
-    range->txpower_capa = 0;
+    range->txpower_capa = IW_TXPOW_DBM;
 
     range->min_pmp = 1 * 1024;
     range->max_pmp = 65535 * 1024;
diff --git a/drivers/sdio/function/wlan/ar6000/include/wmi_api.h b/drivers/sdio/function/wlan/ar6000/include/wmi_api.h
index aa9a9c6..267edfd 100644
--- a/drivers/sdio/function/wlan/ar6000/include/wmi_api.h
+++ b/drivers/sdio/function/wlan/ar6000/include/wmi_api.h
@@ -168,6 +168,7 @@ A_STATUS wmi_set_pmkid_list_cmd(struct wmi_t *wmip,
                                 WMI_SET_PMKID_LIST_CMD *pmkInfo);
 A_STATUS wmi_set_txPwr_cmd(struct wmi_t *wmip, A_UINT8 dbM);
 A_STATUS wmi_get_txPwr_cmd(struct wmi_t *wmip);
+A_STATUS wmi_switch_radio(struct wmi_t *wmip, A_UINT8 on);
 A_STATUS wmi_addBadAp_cmd(struct wmi_t *wmip, A_UINT8 apIndex, A_UINT8 *bssid);
 A_STATUS wmi_deleteBadAp_cmd(struct wmi_t *wmip, A_UINT8 apIndex);
 A_STATUS wmi_set_tkip_countermeasures_cmd(struct wmi_t *wmip, A_BOOL en);
diff --git a/drivers/sdio/function/wlan/ar6000/wmi/wmi.c b/drivers/sdio/function/wlan/ar6000/wmi/wmi.c
index 0e0e6ba..d322cf3 100644
--- a/drivers/sdio/function/wlan/ar6000/wmi/wmi.c
+++ b/drivers/sdio/function/wlan/ar6000/wmi/wmi.c
@@ -2990,6 +2990,39 @@ wmi_get_txPwr_cmd(struct wmi_t *wmip)
     return (wmi_cmd_send(wmip, osbuf, WMI_GET_TX_PWR_CMDID, NO_SYNC_WMIFLAG));
 }
 
+A_STATUS
+wmi_switch_radio(struct wmi_t *wmip, A_UINT8 on)
+{
+	WMI_SCAN_PARAMS_CMD scParams = {0, 0, 0, 0, 0,
+					WMI_SHORTSCANRATIO_DEFAULT,
+					DEFAULT_SCAN_CTRL_FLAGS,
+					0};
+
+	if (on) {
+		/* Enable foreground scanning */
+                if (wmi_scanparams_cmd(wmip, scParams.fg_start_period,
+                                       scParams.fg_end_period,
+                                       scParams.bg_period,
+                                       scParams.minact_chdwell_time,
+                                       scParams.maxact_chdwell_time,
+                                       scParams.pas_chdwell_time,
+                                       scParams.shortScanRatio,
+                                       scParams.scanCtrlFlags,
+                                       scParams.max_dfsch_act_time) != A_OK) {
+			return -EIO;
+		}
+	} else {
+		wmi_disconnect_cmd(wmip);
+		if (wmi_scanparams_cmd(wmip, 0xFFFF, 0, 0, 0,
+				       0, 0, 0, 0xFF, 0) != A_OK) {
+			return -EIO;
+		}
+	}
+
+	return A_OK;
+}
+
+
 A_UINT16
 wmi_get_mapped_qos_queue(struct wmi_t *wmip, A_UINT8 trafficClass)
 {
-- 
1.5.6.5