headers
Deepak Saxena | 9 Feb 22:35

[PATCH] Add Station and AdHoc mode support to libertas_tf


Add support for using the libertas_tf driver on a managed 
or ad-hoc network.

Signed-off-by: Deepak Saxena <dsaxena@...>

---
Ran basic network tests on an OLPC XO-1 laptop. Suspend/resume causes a 
crash but w/o this patch, the driver does not present a configureable 
interface.  (wmaster0 appears but is listed as having no "wireless 
extensions". Fixing this is on my queue).

diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c
index 26a1abd..9123d86 100644
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -555,6 +555,9 @@ struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev)
 	priv->band.n_channels = ARRAY_SIZE(lbtf_channels);
 	priv->band.channels = priv->channels;
 	hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
+        hw->wiphy->interface_modes =
+                BIT(NL80211_IFTYPE_STATION) |
+                BIT(NL80211_IFTYPE_ADHOC);
 	skb_queue_head_init(&priv->bc_ps_buf);

 	SET_IEEE80211_DEV(hw, dmdev);
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Christian Lamparter | 9 Feb 22:16

Re: hostapd using carl9270 doesn't send beacons

On Tue, Feb 9, 2010 at 8:15 PM, Greg Munroe <gmunroe@...> wrote:
> Hi,

Hello,

> Previously, I have used the AR9170 driver in AP mode. It works OK, but loses
> data often (even with power savings off).
Ermm, ar9170 never supported AP mode and carl9170 only
allows the most basic implementation.

> I heard about the new carl9170 driver and decided to give it a try. When I
> started hostapd, the following debug messages appears:
>
> Configuration file: /etc/hostapd.conf
>
> Opening raw packet socket for ifindex 128682944
> BSS count 1, BSSID mask ff:ff:ff:ff:ff:ff (0 bits)
> SIOCGIWRANGE: WE(compiled)=22 WE(source)=21 enc_capa=0xf
> nl80211: Added 802.11b mode based on 802.11g information

WEXT?
the README has a "SYSTEM REQUIREMENTS" section:
" * hostapd 0.7.1+ fresh from git (only necessary for AP-Mode)"

> Allowed channel: mode=1 chan=1 freq=2412 MHz max_tx_power=20 dBm
> Allowed channel: mode=1 chan=2 freq=2417 MHz max_tx_power=20 dBm
> Allowed channel: mode=1 chan=3 freq=2422 MHz max_tx_power=20 dBm
[...]

> Allowed channel: mode=0 chan=1 freq=2412 MHz max_tx_power=20 dBm
> Allowed channel: mode=0 chan=2 freq=2417 MHz max_tx_power=20 dBm
> Allowed channel: mode=0 chan=3 freq=2422 MHz max_tx_power=20 dBm
[...]

> RATE[0] rate=10 flags=0x2
> RATE[1] rate=20 flags=0x6
> RATE[2] rate=55 flags=0x6
> RATE[3] rate=110 flags=0x6
> RATE[4] rate=60 flags=0x0
> RATE[5] rate=90 flags=0x0
> RATE[6] rate=120 flags=0x0
[...]
(OT: no 11g basic rates?)

> Passive scanning not supported
> Flushing old station entries
> Deauthenticate all stations
> Mode: IEEE 802.11g  Channel: 11  Frequency: 2462 MHz
> Using interface wlan0 with hwaddr 00:1f:33:f0:d3:14 and ssid 'M1000'
> SSID - hexdump_ascii(len=5):
[...]
> WPA: group state machine entering state GTK_INIT (VLAN-ID 0)
> GMK - hexdump(len=32): [REMOVED]
> GTK - hexdump(len=32): [REMOVED]
> WPA: group state machine entering state SETKEYSDONE (VLAN-ID 0)
> wlan0: Setup of interface done.
> MGMT (TX callback) ACK
>
> The beacons are never sent and I cannot see the AP from my laptop.
> Any help will be appreciated!
no word about carl9170 Version?

The latest carl9170 1.0.1.1 (together with hostap_0_7_1 and 2.6.33-rc6-wl)
should produce something like:

Configuration file: /etc/hostapd/hostapd-test-11g.conf
ctrl_interface_group=0
nl80211: Add own interface ifindex 52
nl80211: New interface mon.wlan2_renam created: ifindex=54
nl80211: Add own interface ifindex 54
BSS count 1, BSSID mask 00:00:00:00:00:00 (0 bits)
nl80211: Added 802.11b mode based on 802.11g information
Allowed channel: mode=1 chan=1 freq=2412 MHz max_tx_power=27 dBm
Allowed channel: mode=1 chan=2 freq=2417 MHz max_tx_power=27 dBm
Allowed channel: mode=1 chan=3 freq=2422 MHz max_tx_power=27 dBm
[...]
RATE[0] rate=10 flags=0x1
RATE[1] rate=20 flags=0x0
RATE[2] rate=55 flags=0x0
RATE[3] rate=110 flags=0x1
RATE[4] rate=60 flags=0x1
RATE[5] rate=90 flags=0x0
RATE[6] rate=120 flags=0x1
[...]
Completing interface initialization
Mode: IEEE 802.11g  Channel: 1  Frequency: 2412 MHz
Flushing old station entries
Deauthenticate all stations
wpa_driver_nl80211_set_key: ifindex=52 alg=0 addr=(nil) key_idx=0
set_tx=1 seq_len=0 key_len=0
[...]
Using interface wlan2_rename with hwaddr 00:1f:33:e8:ff:ff and ssid 'EINFACH-G'
nl80211: Set beacon (beacon_set=0)
wlan2_rename: Setup of interface done.
Ignore event for foreign ifindex 54
Ignore event for foreign ifindex 54
Ignore event for foreign ifindex 54
RTM_NEWLINK: operstate=0 ifi_flags=0x1002 ()
RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan2_rename' added
Unknown event 5
RTM_NEWLINK: operstate=0 ifi_flags=0x11043 ([UP][RUNNING][LOWER_UP])
RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan2_rename' added
Unknown event 5
STA 00:22:43:0a:b8:f7 sent probe request for broadcast SSID
mgmt::proberesp cb
STA 00:22:43:0a:b8:f7 sent probe request for broadcast SSID
mgmt::proberesp cb
[...] and so on [...]

BTW: Neither carl9170, nor ar9170 support the crypto engine when AP/IBSS
is enabled. If you have a weak CPU (e.g.: ARM Atmel at91SAM9263 200mhz),
you should run openssl's algo benchmark to determine if the system can
actually handle WPA without dropping/delaying too many packages under
pressure.

Regards,
    Chr
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headers
Deepak Saxena | 9 Feb 21:24

[BUG?] ieee80211_ops.remove_interface() being called twice


I'm working on getting the libertas_tf driver on 2.6.31 working on an
XO-1 laptopt with a USB connected device and running into the following
situation during a suspend:

Upon initiating a suspend, lbtf_op_remove_interface() gets called via
the wiphy_suspend() path:

[  142.576332]  [<cf946376>] lbtf_op_remove_interface+0x17/0x7c [libertas_tf]   
[  142.583333]  [<c06c260f>] __ieee80211_suspend+0x1c3/0x200                    
[  142.588776]  [<c06bb9d6>] ieee80211_suspend+0x15/0x17                        
[  142.593953]  [<c06a3807>] wiphy_suspend+0x38/0x48                            
[  142.598695]  [<c0432371>] ? down+0x2b/0x2f                                   
[  142.602932]  [<c05b693a>] dpm_suspend_start+0x214/0x32a                      
[  142.608203]  [<c04403a1>] suspend_devices_and_enter+0x38/0x165               
[  142.614153]  [<c0440596>] enter_state+0xc8/0x114                             
[  142.618800]  [<c043fde4>] state_store+0x98/0xad                              
[  142.623460]  [<c043fd4c>] ? state_store+0x0/0xad                             
[  142.628111]  [<c056abd1>] kobj_attr_store+0x16/0x22                          
[  142.633105]  [<c04c22d7>] sysfs_write_file+0xc0/0xeb                         
[  142.638107]  [<c0485432>] vfs_write+0x8a/0x117                               
[  142.642683]  [<c04c2217>] ? sysfs_write_file+0x0/0xeb                        
[  142.647771]  [<c0485556>] sys_write+0x3b/0x60                                
[  142.652397]  [<c04033d4>] sysenter_do_call+0x12/0x26    

Later on, the USB device is removed from the tree and 
lbtf_op_remove_interface() gets called again and this causes
an OOOPS:

[  143.209556]  [<cf946376>] lbtf_op_remove_interface+0x17/0x7c
[libertas_tf]   
[  143.216547]  [<c06b8a50>] ieee80211_stop+0x373/0x3db                         
[  143.221547]  [<c06cb2b6>] ? _spin_unlock_bh+0x1a/0x1c                        
[  143.226736]  [<c0626627>] dev_close+0x6c/0x88                                
[  143.231128]  [<c06266bb>] rollback_registered+0x78/0x204                     
[  143.236560]  [<c0626879>] unregister_netdevice+0x32/0x4d                     
[  143.241901]  [<c06b832c>] ieee80211_remove_interfaces+0x68/0x77              
[  143.247942]  [<c06ae5fa>] ieee80211_unregister_hw+0x38/0xc3                  
[  143.253564]  [<cf9461a5>] lbtf_remove_card+0x31/0x3e [libertas_tf]           
[  143.259891]  [<cf981966>] if_usb_disconnect+0x20/0x3e [libertas_tf_usb]      
[  143.266701]  [<ce758b32>] usb_unbind_interface+0x4b/0xbe [usbcore]           
[  143.272999]  [<c05b3ddf>] __device_release_driver+0x47/0x7f                  
[  143.278601]  [<c05b3eb4>] device_release_driver+0x18/0x23                    
[  143.284236]  [<ce758cf2>] usb_driver_release_interface+0x33/0x59 [usbcore]   
[  143.291347]  [<ce758d83>] usb_forced_unbind_intf+0x13/0x1a [usbcore]         
[  143.297827]  [<ce758dca>] do_unbind_rebind+0x40/0x5b [usbcore]               
[  143.303890]  [<ce758e72>] usb_external_suspend_device+0x11/0x3e [usbcore]    
[  143.310908]  [<ce758ed2>] usb_suspend+0x33/0x35 [usbcore]                    
[  143.316427]  [<ce7500fb>] usb_dev_suspend+0xd/0xf [usbcore]                  
[  143.322130]  [<c05b658a>] pm_op+0x21/0x5b                                    
[  143.326173]  [<c05b6960>] dpm_suspend_start+0x23a/0x32a                      
[  143.331534]  [<c04403a1>] suspend_devices_and_enter+0x38/0x165               
[  143.337403]  [<c0440596>] enter_state+0xc8/0x114                             
[  143.342148]  [<c043fde4>] state_store+0x98/0xad                              
[  143.346710]  [<c043fd4c>] ? state_store+0x0/0xad                             
[  143.351455]  [<c056abd1>] kobj_attr_store+0x16/0x22                          
[  143.356365]  [<c04c22d7>] sysfs_write_file+0xc0/0xeb                         
[  143.361467]  [<c0485432>] vfs_write+0x8a/0x117                               
[  143.365938]  [<c04c2217>] ? sysfs_write_file+0x0/0xeb                        
[  143.371107]  [<c0485556>] sys_write+0x3b/0x60                                
[  143.375498]  [<c04033d4>] sysenter_do_call+0x12/0x26

Following is the code for lbtf_op_remove_interface().  Basically we set 
priv->vif to NULL the first time around and then we crash on trying 
to access priv->vif->type the second time around. Easy "fix" is a NULL 
check in lbtf_op_remove_interface() to simply return to caller 
if !priv->vif, but I don't think the remove_interface() function
should be called twice. 

static void lbtf_op_remove_interface(struct ieee80211_hw *hw,
                        struct ieee80211_if_init_conf *conf)
{
        struct lbtf_private *priv = hw->priv;

        if (priv->vif->type == NL80211_IFTYPE_AP ||
            priv->vif->type == NL80211_IFTYPE_MESH_POINT)
                lbtf_beacon_ctrl(priv, 0, 0);
        lbtf_set_mode(priv, LBTF_PASSIVE_MODE);
        lbtf_set_bssid(priv, 0, NULL);
        priv->vif = NULL;
}

~Deepak

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Rafał Miłecki | 9 Feb 21:04
Picon

[PATCH 01/11] b43: N-PHY: add some registers and structs definitions

Signed-off-by: Rafał Miłecki <zajec5@...>
---
 drivers/net/wireless/b43/b43.h         |    1 +
 drivers/net/wireless/b43/phy_n.h       |    9 +++++++++
 drivers/net/wireless/b43/tables_nphy.h |    9 +++++++++
 3 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 6a6ab0f..bd7c505 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -104,6 +104,7 @@
 #define B43_MMIO_MACFILTER_CONTROL	0x420
 #define B43_MMIO_MACFILTER_DATA		0x422
 #define B43_MMIO_RCMTA_COUNT		0x43C
+#define B43_MMIO_PSM_PHY_HDR		0x492	/* programmable state machine */
 #define B43_MMIO_RADIO_HWENABLED_LO	0x49A
 #define B43_MMIO_GPIO_CONTROL		0x49C
 #define B43_MMIO_GPIO_MASK		0x49E
diff --git a/drivers/net/wireless/b43/phy_n.h b/drivers/net/wireless/b43/phy_n.h
index 403aad3..47d20dc 100644
--- a/drivers/net/wireless/b43/phy_n.h
+++ b/drivers/net/wireless/b43/phy_n.h
@@ -711,6 +711,8 @@
 #define B43_NPHY_PAPD_EN1			B43_PHY_N(0x29B) /* PAPD Enable1 TBD */
 #define B43_NPHY_EPS_TABLE_ADJ1			B43_PHY_N(0x29C) /* EPS Table Adj1 TBD */

+#define B43_PHY_B_BBCFG				B43_PHY_N_BMODE(0x001) /* BB config */
+#define B43_PHY_B_TEST				B43_PHY_N_BMODE(0x00A)

 
 /* Broadcom 2055 radio registers */
@@ -924,6 +926,13 @@

 struct b43_wldev;

+struct b43_chanspec {
+	u8 channel;
+	u8 sideband;
+	u8 b_width;
+	u8 b_freq;
+};
+
 struct b43_phy_n_iq_comp {
 	s16 a0;
 	s16 b0;
diff --git a/drivers/net/wireless/b43/tables_nphy.h b/drivers/net/wireless/b43/tables_nphy.h
index 9c1c6ec..b23036f 100644
--- a/drivers/net/wireless/b43/tables_nphy.h
+++ b/drivers/net/wireless/b43/tables_nphy.h
@@ -4,6 +4,15 @@
 #include <linux/types.h>

 
+struct b43_phy_n_sfo_cfg {
+	u16 phy_bw1a;
+	u16 phy_bw2;
+	u16 phy_bw3;
+	u16 phy_bw4;
+	u16 phy_bw5;
+	u16 phy_bw6;
+};
+
 struct b43_nphy_channeltab_entry {
 	/* The channel number */
 	u8 channel;
--

-- 
1.6.4.2

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Rafał Miłecki | 9 Feb 21:04
Picon

[PATCH 02/11] b43: N-PHY: initialize super switch

Signed-off-by: Rafał Miłecki <zajec5@...>
---
 drivers/net/wireless/b43/phy_n.c |   37 ++++++++++++++++++++++++++++++++++++-
 1 files changed, 36 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 795bb1e..2d8eda1 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -646,6 +646,41 @@ static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
 	clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
 }

+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
+static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
+{
+	if (dev->phy.rev >= 3) {
+		if (!init)
+			return;
+		if (0 /* FIXME */) {
+			b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
+			b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
+			b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
+			b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
+		}
+	} else {
+		b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
+		b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
+
+		ssb_chipco_gpio_control(&dev->dev->bus->chipco, 0xFC00,
+					0xFC00);
+		b43_write32(dev, B43_MMIO_MACCTL,
+			b43_read32(dev, B43_MMIO_MACCTL) &
+			~B43_MACCTL_GPOUTSMSK);
+		b43_write16(dev, B43_MMIO_GPIO_MASK,
+			b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00);
+		b43_write16(dev, B43_MMIO_GPIO_CONTROL,
+			b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00);
+
+		if (init) {
+			b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
+			b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
+			b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
+			b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
+		}
+	}
+}
+
 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
 static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
 {
@@ -3116,7 +3151,7 @@ int b43_phy_initn(struct b43_wldev *dev)
 			target = b43_nphy_get_tx_gains(dev);

 			if (nphy->antsel_type == 2)
-				;/*TODO NPHY Superswitch Init with argument 1*/
+				b43_nphy_superswitch_init(dev, true);
 			if (nphy->perical != 2) {
 				b43_nphy_rssi_cal(dev);
 				if (phy->rev >= 3) {
--

-- 
1.6.4.2

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Rafał Miłecki | 9 Feb 21:04
Picon

[PATCH 03/11] b43: N-PHY: turn radio on/off (rfkill)

Signed-off-by: Rafał Miłecki <zajec5@...>
---
 drivers/net/wireless/b43/phy_n.c |   50 ++++++++++++++++++++++++++++----------
 1 files changed, 37 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 2d8eda1..dd81e8a 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -218,7 +218,10 @@ static void b43_radio_init2055_post(struct b43_wldev *dev)
 	b43_radio_write16(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
 }

-/* Initialize a Broadcom 2055 N-radio */
+/*
+ * Initialize a Broadcom 2055 N-radio
+ * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
+ */
 static void b43_radio_init2055(struct b43_wldev *dev)
 {
 	b43_radio_init2055_pre(dev);
@@ -229,17 +232,6 @@ static void b43_radio_init2055(struct b43_wldev *dev)
 	b43_radio_init2055_post(dev);
 }

-void b43_nphy_radio_turn_on(struct b43_wldev *dev)
-{
-	b43_radio_init2055(dev);
-}
-
-void b43_nphy_radio_turn_off(struct b43_wldev *dev)
-{
-	b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
-		     ~B43_NPHY_RFCTL_CMD_EN);
-}
-
 /*
  * Upload the N-PHY tables.
  * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
@@ -3277,9 +3269,41 @@ static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
 	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
 }

+/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
 static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
 					bool blocked)
-{//TODO
+{
+	if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
+		b43err(dev->wl, "MAC not suspended\n");
+
+	if (blocked) {
+		b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
+				~B43_NPHY_RFCTL_CMD_CHIP0PU);
+		if (dev->phy.rev >= 3) {
+			b43_radio_mask(dev, 0x09, ~0x2);
+
+			b43_radio_write(dev, 0x204D, 0);
+			b43_radio_write(dev, 0x2053, 0);
+			b43_radio_write(dev, 0x2058, 0);
+			b43_radio_write(dev, 0x205E, 0);
+			b43_radio_mask(dev, 0x2062, ~0xF0);
+			b43_radio_write(dev, 0x2064, 0);
+
+			b43_radio_write(dev, 0x304D, 0);
+			b43_radio_write(dev, 0x3053, 0);
+			b43_radio_write(dev, 0x3058, 0);
+			b43_radio_write(dev, 0x305E, 0);
+			b43_radio_mask(dev, 0x3062, ~0xF0);
+			b43_radio_write(dev, 0x3064, 0);
+		}
+	} else {
+		if (dev->phy.rev >= 3) {
+			/* TODO: b43_radio_init2056(dev); */
+			/* TODO: PHY Set Channel Spec (dev, radio_chanspec) */
+		} else {
+			b43_radio_init2055(dev);
+		}
+	}
 }

 static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
--

-- 
1.6.4.2

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Rafał Miłecki | 9 Feb 21:04
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[PATCH 04/11] b43: N-PHY: update writing channel-specific radio registers

Signed-off-by: Rafał Miłecki <zajec5@...>
---
 drivers/net/wireless/b43/phy_n.c |   54 ++++++++++++++++++++++---------------
 1 files changed, 32 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index dd81e8a..ebb9632 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -90,28 +90,38 @@ static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
 static void b43_chantab_radio_upload(struct b43_wldev *dev,
 				     const struct b43_nphy_channeltab_entry *e)
 {
-	b43_radio_write16(dev, B2055_PLL_REF, e->radio_pll_ref);
-	b43_radio_write16(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
-	b43_radio_write16(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
-	b43_radio_write16(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
-	b43_radio_write16(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
-	b43_radio_write16(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
-	b43_radio_write16(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
-	b43_radio_write16(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
-	b43_radio_write16(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
-	b43_radio_write16(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
-	b43_radio_write16(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
-	b43_radio_write16(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
-	b43_radio_write16(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
-	b43_radio_write16(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
-	b43_radio_write16(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
-	b43_radio_write16(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
-	b43_radio_write16(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
-	b43_radio_write16(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
-	b43_radio_write16(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
-	b43_radio_write16(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
-	b43_radio_write16(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
-	b43_radio_write16(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
+	b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
+	b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
+	b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
+	b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
+	if (dev->dev->bus->bustype == SSB_BUSTYPE_PCI)
+		b43_read32(dev, B43_MMIO_MACCTL);
+	b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
+	b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
+	b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
+	b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
+	if (dev->dev->bus->bustype == SSB_BUSTYPE_PCI)
+		b43_read32(dev, B43_MMIO_MACCTL);
+	b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
+	b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
+	b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
+	b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
+	if (dev->dev->bus->bustype == SSB_BUSTYPE_PCI)
+		b43_read32(dev, B43_MMIO_MACCTL);
+	b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
+	b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
+	b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
+	b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
+	if (dev->dev->bus->bustype == SSB_BUSTYPE_PCI)
+		b43_read32(dev, B43_MMIO_MACCTL);
+	b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
+	b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
+	b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
+	b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
+	if (dev->dev->bus->bustype == SSB_BUSTYPE_PCI)
+		b43_read32(dev, B43_MMIO_MACCTL);
+	b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
+	b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
 }

 static void b43_chantab_phy_upload(struct b43_wldev *dev,
--

-- 
1.6.4.2

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Rafał Miłecki | 9 Feb 21:04
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[PATCH 05/11] b43: N-PHY: update post init of 2055 radio

Signed-off-by: Rafał Miłecki <zajec5@...>
---
 drivers/net/wireless/b43/phy_n.c |   61 +++++++++++++++++++++----------------
 1 files changed, 35 insertions(+), 26 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index ebb9632..2f45817 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -183,49 +183,58 @@ static void b43_radio_init2055_pre(struct b43_wldev *dev)

 static void b43_radio_init2055_post(struct b43_wldev *dev)
 {
+	struct b43_phy_n *nphy = dev->phy.n;
 	struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
 	struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
 	int i;
 	u16 val;
+	bool workaround = false;
+
+	if (sprom->revision < 4)
+		workaround = (binfo->vendor != PCI_VENDOR_ID_BROADCOM ||
+				binfo->type != 0x46D ||
+				binfo->rev < 0x41);
+	else
+		workaround = ((sprom->boardflags_hi & B43_BFH_NOPA) == 0);

 	b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
-	msleep(1);
-	if ((sprom->revision != 4) ||
-	   !(sprom->boardflags_hi & B43_BFH_RSSIINV)) {
-		if ((binfo->vendor != PCI_VENDOR_ID_BROADCOM) ||
-		    (binfo->type != 0x46D) ||
-		    (binfo->rev < 0x41)) {
-			b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
-			b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
-			msleep(1);
-		}
+	if (workaround) {
+		b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
+		b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
 	}
-	b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0x3F, 0x2C);
-	msleep(1);
-	b43_radio_write16(dev, B2055_CAL_MISC, 0x3C);
-	msleep(1);
+	b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
+	b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
 	b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
-	msleep(1);
 	b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
-	msleep(1);
 	b43_radio_set(dev, B2055_CAL_MISC, 0x1);
 	msleep(1);
 	b43_radio_set(dev, B2055_CAL_MISC, 0x40);
-	msleep(1);
-	for (i = 0; i < 100; i++) {
-		val = b43_radio_read16(dev, B2055_CAL_COUT2);
-		if (val & 0x80)
+	for (i = 0; i < 200; i++) {
+		val = b43_radio_read(dev, B2055_CAL_COUT2);
+		if (val & 0x80) {
+			i = 0;
 			break;
+		}
 		udelay(10);
 	}
-	msleep(1);
+	if (i)
+		b43err(dev->wl, "radio post init timeout\n");
 	b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
-	msleep(1);
 	nphy_channel_switch(dev, dev->phy.channel);
-	b43_radio_write16(dev, B2055_C1_RX_BB_LPF, 0x9);
-	b43_radio_write16(dev, B2055_C2_RX_BB_LPF, 0x9);
-	b43_radio_write16(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
-	b43_radio_write16(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
+	b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
+	b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
+	b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
+	b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
+	b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
+	b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
+	if (!nphy->gain_boost) {
+		b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
+		b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
+	} else {
+		b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
+		b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
+	}
+	udelay(2);
 }

 /*
--

-- 
1.6.4.2

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Rafał Miłecki | 9 Feb 21:04
Picon

[PATCH 06/11] b43: N-PHY: switch to chanspec struct

Signed-off-by: Rafał Miłecki <zajec5@...>
---
 drivers/net/wireless/b43/phy_n.c |   45 +++++++++++++++++++++++++------------
 drivers/net/wireless/b43/phy_n.h |   11 +++++----
 2 files changed, 36 insertions(+), 20 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 2f45817..4ff09b8 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -73,6 +73,21 @@ static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
 static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
 						u16 value, u8 core);

+static inline bool b43_empty_chanspec(struct b43_chanspec *chanspec)
+{
+	return !chanspec->channel && !chanspec->sideband &&
+		!chanspec->b_width && !chanspec->b_freq;
+}
+
+static inline bool b43_eq_chanspecs(struct b43_chanspec *chanspec1,
+					struct b43_chanspec *chanspec2)
+{
+	return (chanspec1->channel == chanspec2->channel &&
+		chanspec1->sideband == chanspec2->sideband &&
+		chanspec1->b_width == chanspec2->b_width &&
+		chanspec1->b_freq == chanspec2->b_freq);
+}
+
 void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
 {//TODO
 }
@@ -768,7 +783,7 @@ static void b43_nphy_spur_workaround(struct b43_wldev *dev)
 {
 	struct b43_phy_n *nphy = dev->phy.n;

-	unsigned int channel;
+	u8 channel = nphy->radio_chanspec.channel;
 	int tone[2] = { 57, 58 };
 	u32 noise[2] = { 0x3FF, 0x3FF };

@@ -777,8 +792,6 @@ static void b43_nphy_spur_workaround(struct b43_wldev *dev)
 	if (nphy->hang_avoid)
 		b43_nphy_stay_in_carrier_search(dev, 1);

-	/* FIXME: channel = radio_chanspec */
-
 	if (nphy->gband_spurwar_en) {
 		/* TODO: N PHY Adjust Analog Pfbw (7) */
 		if (channel == 11 && dev->phy.is_40mhz)
@@ -2015,12 +2028,12 @@ static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
 	u16 *rssical_phy_regs = NULL;

 	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
-		if (!nphy->rssical_chanspec_2G)
+		if (b43_empty_chanspec(&nphy->rssical_chanspec_2G))
 			return;
 		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
 		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
 	} else {
-		if (!nphy->rssical_chanspec_5G)
+		if (b43_empty_chanspec(&nphy->rssical_chanspec_5G))
 			return;
 		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
 		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
@@ -2440,7 +2453,7 @@ static void b43_nphy_save_cal(struct b43_wldev *dev)

 	struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
 	u16 *txcal_radio_regs = NULL;
-	u8 *iqcal_chanspec;
+	struct b43_chanspec *iqcal_chanspec;
 	u16 *table = NULL;

 	if (nphy->hang_avoid)
@@ -2496,12 +2509,12 @@ static void b43_nphy_restore_cal(struct b43_wldev *dev)
 	struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;

 	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
-		if (nphy->iqcal_chanspec_2G == 0)
+		if (b43_empty_chanspec(&nphy->iqcal_chanspec_2G))
 			return;
 		table = nphy->cal_cache.txcal_coeffs_2G;
 		loft = &nphy->cal_cache.txcal_coeffs_2G[5];
 	} else {
-		if (nphy->iqcal_chanspec_5G == 0)
+		if (b43_empty_chanspec(&nphy->iqcal_chanspec_5G))
 			return;
 		table = nphy->cal_cache.txcal_coeffs_5G;
 		loft = &nphy->cal_cache.txcal_coeffs_5G[5];
@@ -2746,8 +2759,7 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
 			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
 						nphy->txiqlocal_bestc);
 			nphy->txiqlocal_coeffsvalid = true;
-			/* TODO: Set nphy->txiqlocal_chanspec to
-				the current channel */
+			nphy->txiqlocal_chanspec = nphy->radio_chanspec;
 		} else {
 			length = 11;
 			if (dev->phy.rev < 3)
@@ -2782,7 +2794,8 @@ static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
 	u16 buffer[7];
 	bool equal = true;

-	if (!nphy->txiqlocal_coeffsvalid || 1 /* FIXME */)
+	if (!nphy->txiqlocal_coeffsvalid ||
+	    b43_eq_chanspecs(&nphy->txiqlocal_chanspec, &nphy->radio_chanspec))
 		return;

 	b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
@@ -3137,9 +3150,11 @@ int b43_phy_initn(struct b43_wldev *dev)
 	do_rssi_cal = false;
 	if (phy->rev >= 3) {
 		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
-			do_rssi_cal = (nphy->rssical_chanspec_2G == 0);
+			do_rssi_cal =
+				b43_empty_chanspec(&nphy->rssical_chanspec_2G);
 		else
-			do_rssi_cal = (nphy->rssical_chanspec_5G == 0);
+			do_rssi_cal =
+				b43_empty_chanspec(&nphy->rssical_chanspec_5G);

 		if (do_rssi_cal)
 			b43_nphy_rssi_cal(dev);
@@ -3151,9 +3166,9 @@ int b43_phy_initn(struct b43_wldev *dev)

 	if (!((nphy->measure_hold & 0x6) != 0)) {
 		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
-			do_cal = (nphy->iqcal_chanspec_2G == 0);
+			do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_2G);
 		else
-			do_cal = (nphy->iqcal_chanspec_5G == 0);
+			do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_5G);

 		if (nphy->mute)
 			do_cal = false;
diff --git a/drivers/net/wireless/b43/phy_n.h b/drivers/net/wireless/b43/phy_n.h
index 47d20dc..e7acae2 100644
--- a/drivers/net/wireless/b43/phy_n.h
+++ b/drivers/net/wireless/b43/phy_n.h
@@ -984,7 +984,7 @@ struct b43_phy_n {
 	u16 papd_epsilon_offset[2];
 	s32 preamble_override;
 	u32 bb_mult_save;
-	u16 radio_chanspec;
+	struct b43_chanspec radio_chanspec;

 	bool gain_boost;
 	bool elna_gain_config;
@@ -1000,6 +1000,7 @@ struct b43_phy_n {
 	u16 txiqlocal_bestc[11];
 	bool txiqlocal_coeffsvalid;
 	struct b43_phy_n_txpwrindex txpwrindex[2];
+	struct b43_chanspec txiqlocal_chanspec;

 	u8 txrx_chain;
 	u16 tx_rx_cal_phy_saveregs[11];
@@ -1015,12 +1016,12 @@ struct b43_phy_n {
 	bool gband_spurwar_en;

 	bool ipa2g_on;
-	u8 iqcal_chanspec_2G;
-	u8 rssical_chanspec_2G;
+	struct b43_chanspec iqcal_chanspec_2G;
+	struct b43_chanspec rssical_chanspec_2G;

 	bool ipa5g_on;
-	u8 iqcal_chanspec_5G;
-	u8 rssical_chanspec_5G;
+	struct b43_chanspec iqcal_chanspec_5G;
+	struct b43_chanspec rssical_chanspec_5G;

 	struct b43_phy_n_rssical_cache rssical_cache;
 	struct b43_phy_n_cal_cache cal_cache;
--

-- 
1.6.4.2

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Rafał Miłecki | 9 Feb 21:04
Picon

[PATCH 08/11] b43: implement writing to MMIO shared memory

Signed-off-by: Rafał Miłecki <zajec5@...>
---
 drivers/net/wireless/b43/phy_common.c |   11 +++++++++++
 drivers/net/wireless/b43/phy_common.h |    2 ++
 2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index 8f7d7ef..0b0f9df 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -466,3 +466,14 @@ struct b43_c32 b43_cordic(int theta)

 	return ret;
 }
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/BmacWriteShm */
+void b43_bmac_write_shm(struct b43_wldev *dev, u32 offset, u16 value)
+{
+	b43_write32(dev, B43_MMIO_SHM_CONTROL, 0x00010000 | (offset >> 2));
+	b43_read32(dev, B43_MMIO_SHM_CONTROL);
+	if (offset & 2)
+		b43_write16(dev, 0x165, value);
+	else
+		b43_write16(dev, B43_MMIO_SHM_DATA, value);
+}
diff --git a/drivers/net/wireless/b43/phy_common.h b/drivers/net/wireless/b43/phy_common.h
index bd480b4..484d4d7 100644
--- a/drivers/net/wireless/b43/phy_common.h
+++ b/drivers/net/wireless/b43/phy_common.h
@@ -429,4 +429,6 @@ void b43_phyop_switch_analog_generic(struct b43_wldev *dev, bool on);

 struct b43_c32 b43_cordic(int theta);

+void b43_bmac_write_shm(struct b43_wldev *dev, u32 offset, u16 value);
+
 #endif /* LINUX_B43_PHY_COMMON_H_ */
--

-- 
1.6.4.2

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Michael Buesch | 9 Feb 23:59
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Re: [PATCH 08/11] b43: implement writing to MMIO shared memory

*



On Tuesday 09 February 2010 21:04:40 Rafał Miłecki wrote:
> Signed-off-by: Rafał Miłecki <zajec5@...>
> ---
>  drivers/net/wireless/b43/phy_common.c |   11 +++++++++++
>  drivers/net/wireless/b43/phy_common.h |    2 ++
>  2 files changed, 13 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
> index 8f7d7ef..0b0f9df 100644
> --- a/drivers/net/wireless/b43/phy_common.c
> +++ b/drivers/net/wireless/b43/phy_common.c
> @@ -466,3 +466,14 @@ struct b43_c32 b43_cordic(int theta)
>  
>  	return ret;
>  }
> +
> +/* http://bcm-v4.sipsolutions.net/802.11/PHY/BmacWriteShm */
> +void b43_bmac_write_shm(struct b43_wldev *dev, u32 offset, u16 value)
> +{
> +	b43_write32(dev, B43_MMIO_SHM_CONTROL, 0x00010000 | (offset >> 2));
> +	b43_read32(dev, B43_MMIO_SHM_CONTROL);
> +	if (offset & 2)
> +		b43_write16(dev, 0x165, value);
> +	else
> +		b43_write16(dev, B43_MMIO_SHM_DATA, value);
> +}


I'd like to put a biiiig questionmark on this.
We already have SHM access. Your function does exactly the same, except that it
accesses the bullshit register h165.

--

-- 
Greetings, Michael.
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Gmane