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Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
-rw-r--r--drivers/net/wireless/ath/ath9k/ahb.c10
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h2
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.c23
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.h2
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c30
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.h10
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c12
-rw-r--r--drivers/net/wireless/ath/ath9k/pci.c22
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c3
-rw-r--r--drivers/net/wireless/ath/ath9k/reg.h1
11 files changed, 85 insertions, 31 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 5618fc25d52..2ad7d0280f7 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -119,17 +119,15 @@ static int ath_ahb_probe(struct platform_device *pdev)
sc->bus_ops = &ath_ahb_bus_ops;
sc->irq = irq;
- ret = ath_init_device(AR5416_AR9100_DEVID, sc);
- if (ret != 0) {
- dev_err(&pdev->dev, "failed to attach device, err=%d\n", ret);
- ret = -ENODEV;
+ ret = ath_init_device(AR5416_AR9100_DEVID, sc, 0x0);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to initialize device\n");
goto err_free_hw;
}
ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc);
if (ret) {
- dev_err(&pdev->dev, "request_irq failed, err=%d\n", ret);
- ret = -EIO;
+ dev_err(&pdev->dev, "request_irq failed\n");
goto err_detach;
}
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 1c68a9da22d..1d59f10f68d 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -658,7 +658,7 @@ extern struct ieee80211_ops ath9k_ops;
irqreturn_t ath_isr(int irq, void *dev);
void ath_cleanup(struct ath_softc *sc);
-int ath_init_device(u16 devid, struct ath_softc *sc);
+int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid);
void ath_detach(struct ath_softc *sc);
const char *ath_mac_bb_name(u32 mac_bb_version);
const char *ath_rf_name(u16 rf_version);
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index e8bfb01ee78..55f607b7699 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -19,6 +19,29 @@
static const struct ath_btcoex_config ath_bt_config = { 0, true, true,
ATH_BT_COEX_MODE_SLOTTED, true, true, 2, 5, true };
+static const u16 ath_subsysid_tbl[] = {
+ AR9280_COEX2WIRE_SUBSYSID,
+ AT9285_COEX3WIRE_SA_SUBSYSID,
+ AT9285_COEX3WIRE_DA_SUBSYSID
+};
+
+/*
+ * Checks the subsystem id of the device to see if it
+ * supports btcoex
+ */
+bool ath_btcoex_supported(u16 subsysid)
+{
+ int i;
+
+ if (!subsysid)
+ return false;
+
+ for (i = 0; i < ARRAY_SIZE(ath_subsysid_tbl); i++)
+ if (subsysid == ath_subsysid_tbl[i])
+ return true;
+
+ return false;
+}
/*
* Detects if there is any priority bt traffic
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 45568196c59..297b027fd3c 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -19,6 +19,7 @@
#define ATH_WLANACTIVE_GPIO 5
#define ATH_BTACTIVE_GPIO 6
+#define ATH_BTPRIORITY_GPIO 7
#define ATH_BTCOEX_DEF_BT_PERIOD 45
#define ATH_BTCOEX_DEF_DUTY_CYCLE 55
@@ -79,6 +80,7 @@ struct ath_btcoex_info {
struct ath_gen_timer *no_stomp_timer; /*Timer for no BT stomping*/
};
+bool ath_btcoex_supported(u16 subsysid);
int ath9k_hw_btcoex_init(struct ath_hw *ah);
void ath9k_hw_btcoex_enable(struct ath_hw *ah);
void ath9k_hw_btcoex_disable(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 71f27f324ce..b6c6cca0781 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -16,14 +16,11 @@
#include <linux/io.h>
#include <asm/unaligned.h>
+#include <linux/pci.h>
#include "ath9k.h"
#include "initvals.h"
-static int btcoex_enable;
-module_param(btcoex_enable, bool, 0);
-MODULE_PARM_DESC(btcoex_enable, "Enable Bluetooth coexistence support");
-
#define ATH9K_CLOCK_RATE_CCK 22
#define ATH9K_CLOCK_RATE_5GHZ_OFDM 40
#define ATH9K_CLOCK_RATE_2GHZ_OFDM 44
@@ -3689,14 +3686,17 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->num_antcfg_2ghz =
ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ);
- if (AR_SREV_9280_10_OR_LATER(ah) && btcoex_enable) {
+ if (AR_SREV_9280_10_OR_LATER(ah) &&
+ ath_btcoex_supported(ah->hw_version.subsysid)) {
btcoex_info->btactive_gpio = ATH_BTACTIVE_GPIO;
btcoex_info->wlanactive_gpio = ATH_WLANACTIVE_GPIO;
- if (AR_SREV_9285(ah))
+ if (AR_SREV_9285(ah)) {
btcoex_info->btcoex_scheme = ATH_BTCOEX_CFG_3WIRE;
- else
+ btcoex_info->btpriority_gpio = ATH_BTPRIORITY_GPIO;
+ } else {
btcoex_info->btcoex_scheme = ATH_BTCOEX_CFG_2WIRE;
+ }
} else {
btcoex_info->btcoex_scheme = ATH_BTCOEX_CFG_NONE;
}
@@ -3967,7 +3967,8 @@ void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
{
u32 phybits;
- REG_WRITE(ah, AR_RX_FILTER, (bits & 0xffff) | AR_RX_COMPR_BAR);
+ REG_WRITE(ah, AR_RX_FILTER, bits);
+
phybits = 0;
if (bits & ATH9K_RX_FILTER_PHYRADAR)
phybits |= AR_PHY_ERR_RADAR;
@@ -4297,3 +4298,16 @@ void ath_gen_timer_isr(struct ath_hw *ah)
timer->trigger(timer->arg);
}
}
+
+/*
+ * Primitive to disable ASPM
+ */
+void ath_pcie_aspm_disable(struct ath_softc *sc)
+{
+ struct pci_dev *pdev = to_pci_dev(sc->dev);
+ u8 aspm;
+
+ pci_read_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, &aspm);
+ aspm &= ~(ATH_PCIE_CAP_LINK_L0S | ATH_PCIE_CAP_LINK_L1);
+ pci_write_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, aspm);
+}
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 5ca6ffa7091..9106a0b537d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -45,6 +45,10 @@
#define AR5416_DEVID_AR9287_PCI 0x002D
#define AR5416_DEVID_AR9287_PCIE 0x002E
+#define AR9280_COEX2WIRE_SUBSYSID 0x309b
+#define AT9285_COEX3WIRE_SA_SUBSYSID 0x30aa
+#define AT9285_COEX3WIRE_DA_SUBSYSID 0x30ab
+
/* Register read/write primitives */
#define REG_WRITE(_ah, _reg, _val) ath9k_iowrite32((_ah), (_reg), (_val))
#define REG_READ(_ah, _reg) ath9k_ioread32((_ah), (_reg))
@@ -390,6 +394,7 @@ struct ath9k_hw_version {
u16 phyRev;
u16 analog5GhzRev;
u16 analog2GhzRev;
+ u16 subsysid;
};
/* Generic TSF timer definitions */
@@ -665,4 +670,9 @@ void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer);
void ath_gen_timer_isr(struct ath_hw *hw);
u32 ath9k_hw_gettsf32(struct ath_hw *ah);
+#define ATH_PCIE_CAP_LINK_CTRL 0x70
+#define ATH_PCIE_CAP_LINK_L0S 1
+#define ATH_PCIE_CAP_LINK_L1 2
+
+void ath_pcie_aspm_disable(struct ath_softc *sc);
#endif
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 7b3982295a4..f56e77da6c3 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -568,6 +568,7 @@ enum ath9k_rx_filter {
ATH9K_RX_FILTER_PROBEREQ = 0x00000080,
ATH9K_RX_FILTER_PHYERR = 0x00000100,
ATH9K_RX_FILTER_MYBEACON = 0x00000200,
+ ATH9K_RX_FILTER_COMP_BAR = 0x00000400,
ATH9K_RX_FILTER_PSPOLL = 0x00004000,
ATH9K_RX_FILTER_PHYRADAR = 0x00002000,
ATH9K_RX_FILTER_MCAST_BCAST_ALL = 0x00008000,
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c2efdf2d72d..3dc7b5a13e6 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1310,7 +1310,7 @@ static int ath9k_reg_notifier(struct wiphy *wiphy,
* to allow the separation between hardware specific
* variables (now in ath_hw) and driver specific variables.
*/
-static int ath_init_softc(u16 devid, struct ath_softc *sc)
+static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
{
struct ath_hw *ah = NULL;
int r = 0, i;
@@ -1348,6 +1348,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc)
ah->ah_sc = sc;
ah->hw_version.devid = devid;
+ ah->hw_version.subsysid = subsysid;
sc->sc_ah = ah;
r = ath9k_hw_init(ah);
@@ -1577,7 +1578,7 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
}
/* Device driver core initialization */
-int ath_init_device(u16 devid, struct ath_softc *sc)
+int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
{
struct ieee80211_hw *hw = sc->hw;
int error = 0, i;
@@ -1585,7 +1586,7 @@ int ath_init_device(u16 devid, struct ath_softc *sc)
DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
- error = ath_init_softc(devid, sc);
+ error = ath_init_softc(devid, sc, subsysid);
if (error != 0)
return error;
@@ -1879,7 +1880,7 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
if (chan->band == IEEE80211_BAND_2GHZ) {
ichan->chanmode = CHANNEL_G;
- ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM;
+ ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM | CHANNEL_G;
} else {
ichan->chanmode = CHANNEL_A;
ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
@@ -2010,6 +2011,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
AR_STOMP_LOW_WLAN_WGHT);
ath9k_hw_btcoex_enable(sc->sc_ah);
+ ath_pcie_aspm_disable(sc);
if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
ath_btcoex_timer_resume(sc, &sc->btcoex_info);
}
@@ -2433,7 +2435,7 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
ath9k_ps_restore(sc);
- DPRINTF(sc, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", sc->rx.rxfilter);
+ DPRINTF(sc, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", rfilt);
}
static void ath9k_sta_notify(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 685a8cebb46..903dd8ad9d4 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -35,8 +35,7 @@ static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
{
u8 u8tmp;
- pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE,
- (u8 *)&u8tmp);
+ pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
*csz = (int)u8tmp;
/*
@@ -89,6 +88,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct ath_softc *sc;
struct ieee80211_hw *hw;
u8 csz;
+ u16 subsysid;
u32 val;
int ret = 0;
struct ath_hw *ah;
@@ -160,8 +160,9 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy) +
sizeof(struct ath_softc), &ath9k_ops);
- if (hw == NULL) {
- printk(KERN_ERR "ath_pci: no memory for ieee80211_hw\n");
+ if (!hw) {
+ dev_err(&pdev->dev, "no memory for ieee80211_hw\n");
+ ret = -ENOMEM;
goto bad2;
}
@@ -178,17 +179,18 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
sc->mem = mem;
sc->bus_ops = &ath_pci_bus_ops;
- if (ath_init_device(id->device, sc) != 0) {
- ret = -ENODEV;
+ pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
+ ret = ath_init_device(id->device, sc, subsysid);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to initialize device\n");
goto bad3;
}
/* setup interrupt service routine */
- if (request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath", sc)) {
- printk(KERN_ERR "%s: request_irq failed\n",
- wiphy_name(hw->wiphy));
- ret = -EIO;
+ ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
+ if (ret) {
+ dev_err(&pdev->dev, "request_irq failed\n");
goto bad4;
}
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 52e62daad3c..ec0abf82399 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -423,6 +423,9 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
if (sc->rx.rxfilter & FIF_PSPOLL)
rfilt |= ATH9K_RX_FILTER_PSPOLL;
+ if (conf_is_ht(&sc->hw->conf))
+ rfilt |= ATH9K_RX_FILTER_COMP_BAR;
+
if (sc->sec_wiphy || (sc->rx.rxfilter & FIF_OTHER_BSS)) {
/* TODO: only needed if more than one BSSID is in use in
* station/adhoc mode */
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 3ddb243f000..e5c29eb86e8 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1325,7 +1325,6 @@ enum {
#define AR_CFP_VAL 0x0000FFFF
#define AR_RX_FILTER 0x803C
-#define AR_RX_COMPR_BAR 0x00000400
#define AR_MCAST_FIL0 0x8040
#define AR_MCAST_FIL1 0x8044