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path: root/drivers/net/wireless/ath/ath9k/pci.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/pci.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/pci.c79
1 files changed, 52 insertions, 27 deletions
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 170c5b32e49b..5321f735e5a0 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -25,16 +25,18 @@ static struct pci_device_id ath_pci_id_table[] __devinitdata = {
{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI */
{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
{ PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
+ { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI */
+ { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
{ 0 }
};
/* return bus cachesize in 4B word units */
-static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
+static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
{
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
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;
/*
@@ -47,8 +49,9 @@ static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
*csz = DEFAULT_CACHELINE >> 2; /* Use the default size */
}
-static void ath_pci_cleanup(struct ath_softc *sc)
+static void ath_pci_cleanup(struct ath_common *common)
{
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
struct pci_dev *pdev = to_pci_dev(sc->dev);
pci_iounmap(pdev, sc->mem);
@@ -56,9 +59,11 @@ static void ath_pci_cleanup(struct ath_softc *sc)
pci_release_region(pdev, 0);
}
-static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
+static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
{
- (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
+ struct ath_hw *ah = (struct ath_hw *) common->ah;
+
+ common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
if (!ath9k_hw_wait(ah,
AR_EEPROM_STATUS_DATA,
@@ -68,16 +73,34 @@ static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
return false;
}
- *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA),
+ *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
AR_EEPROM_STATUS_DATA_VAL);
return true;
}
-static struct ath_bus_ops ath_pci_bus_ops = {
+/*
+ * Bluetooth coexistance requires disabling ASPM.
+ */
+static void ath_pci_bt_coex_prep(struct ath_common *common)
+{
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+ struct pci_dev *pdev = to_pci_dev(sc->dev);
+ u8 aspm;
+
+ if (!pdev->is_pcie)
+ return;
+
+ 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);
+}
+
+const static struct ath_bus_ops ath_pci_bus_ops = {
.read_cachesize = ath_pci_read_cachesize,
.cleanup = ath_pci_cleanup,
.eeprom_read = ath_pci_eeprom_read,
+ .bt_coex_prep = ath_pci_bt_coex_prep,
};
static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -87,9 +110,11 @@ 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;
+ char hw_name[64];
if (pci_enable_device(pdev))
return -EIO;
@@ -158,8 +183,9 @@ 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;
}
@@ -174,33 +200,30 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
sc->hw = hw;
sc->dev = &pdev->dev;
sc->mem = mem;
- sc->bus_ops = &ath_pci_bus_ops;
- if (ath_attach(id->device, sc) != 0) {
- ret = -ENODEV;
+ pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
+ ret = ath_init_device(id->device, sc, subsysid, &ath_pci_bus_ops);
+ 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;
}
sc->irq = pdev->irq;
ah = sc->sc_ah;
+ ath9k_hw_name(ah, hw_name, sizeof(hw_name));
printk(KERN_INFO
- "%s: Atheros AR%s MAC/BB Rev:%x "
- "AR%s RF Rev:%x: mem=0x%lx, irq=%d\n",
+ "%s: %s mem=0x%lx, irq=%d\n",
wiphy_name(hw->wiphy),
- ath_mac_bb_name(ah->hw_version.macVersion),
- ah->hw_version.macRev,
- ath_rf_name((ah->hw_version.analog5GhzRev & AR_RADIO_SREV_MAJOR)),
- ah->hw_version.phyRev,
+ hw_name,
(unsigned long)mem, pdev->irq);
return 0;
@@ -234,7 +257,7 @@ static int ath_pci_suspend(struct pci_dev *pdev, pm_message_t state)
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
pci_save_state(pdev);
pci_disable_device(pdev);
@@ -251,10 +274,12 @@ static int ath_pci_resume(struct pci_dev *pdev)
u32 val;
int err;
+ pci_restore_state(pdev);
+
err = pci_enable_device(pdev);
if (err)
return err;
- pci_restore_state(pdev);
+
/*
* Suspend/Resume resets the PCI configuration space, so we have to
* re-disable the RETRY_TIMEOUT register (0x41) to keep
@@ -265,9 +290,9 @@ static int ath_pci_resume(struct pci_dev *pdev)
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
/* Enable LED */
- ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,
+ ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
return 0;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-01 07:19:10 +0000