#include <linux/io.h>
#include <linux/netdevice.h>
#include <linux/cache.h>
-#include <linux/pci.h>
-#include <linux/pci-aspm.h>
#include <linux/ethtool.h>
#include <linux/uaccess.h>
#include <linux/slab.h>
#include "reg.h"
#include "debug.h"
#include "ani.h"
-#include "../debug.h"
static int modparam_nohwcrypt;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
MODULE_DESCRIPTION("Support for 5xxx series of Atheros 802.11 wireless LAN cards.");
MODULE_SUPPORTED_DEVICE("Atheros 5xxx WLAN cards");
MODULE_LICENSE("Dual BSD/GPL");
-MODULE_VERSION("0.6.0 (EXPERIMENTAL)");
+static int ath5k_init(struct ieee80211_hw *hw);
static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
bool skip_pcu);
static int ath5k_beacon_update(struct ieee80211_hw *hw,
struct ieee80211_vif *vif);
static void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf);
-/* Known PCI ids */
-static DEFINE_PCI_DEVICE_TABLE(ath5k_pci_id_table) = {
- { PCI_VDEVICE(ATHEROS, 0x0207) }, /* 5210 early */
- { PCI_VDEVICE(ATHEROS, 0x0007) }, /* 5210 */
- { PCI_VDEVICE(ATHEROS, 0x0011) }, /* 5311 - this is on AHB bus !*/
- { PCI_VDEVICE(ATHEROS, 0x0012) }, /* 5211 */
- { PCI_VDEVICE(ATHEROS, 0x0013) }, /* 5212 */
- { PCI_VDEVICE(3COM_2, 0x0013) }, /* 3com 5212 */
- { PCI_VDEVICE(3COM, 0x0013) }, /* 3com 3CRDAG675 5212 */
- { PCI_VDEVICE(ATHEROS, 0x1014) }, /* IBM minipci 5212 */
- { PCI_VDEVICE(ATHEROS, 0x0014) }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0015) }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0016) }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0017) }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0018) }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0019) }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x001a) }, /* 2413 Griffin-lite */
- { PCI_VDEVICE(ATHEROS, 0x001b) }, /* 5413 Eagle */
- { PCI_VDEVICE(ATHEROS, 0x001c) }, /* PCI-E cards */
- { PCI_VDEVICE(ATHEROS, 0x001d) }, /* 2417 Nala */
- { 0 }
-};
-MODULE_DEVICE_TABLE(pci, ath5k_pci_id_table);
-
/* Known SREVs */
static const struct ath5k_srev_name srev_names[] = {
+#ifdef CONFIG_ATHEROS_AR231X
+ { "5312", AR5K_VERSION_MAC, AR5K_SREV_AR5312_R2 },
+ { "5312", AR5K_VERSION_MAC, AR5K_SREV_AR5312_R7 },
+ { "2313", AR5K_VERSION_MAC, AR5K_SREV_AR2313_R8 },
+ { "2315", AR5K_VERSION_MAC, AR5K_SREV_AR2315_R6 },
+ { "2315", AR5K_VERSION_MAC, AR5K_SREV_AR2315_R7 },
+ { "2317", AR5K_VERSION_MAC, AR5K_SREV_AR2317_R1 },
+ { "2317", AR5K_VERSION_MAC, AR5K_SREV_AR2317_R2 },
+#else
{ "5210", AR5K_VERSION_MAC, AR5K_SREV_AR5210 },
{ "5311", AR5K_VERSION_MAC, AR5K_SREV_AR5311 },
{ "5311A", AR5K_VERSION_MAC, AR5K_SREV_AR5311A },
{ "5418", AR5K_VERSION_MAC, AR5K_SREV_AR5418 },
{ "2425", AR5K_VERSION_MAC, AR5K_SREV_AR2425 },
{ "2417", AR5K_VERSION_MAC, AR5K_SREV_AR2417 },
+#endif
{ "xxxxx", AR5K_VERSION_MAC, AR5K_SREV_UNKNOWN },
{ "5110", AR5K_VERSION_RAD, AR5K_SREV_RAD_5110 },
{ "5111", AR5K_VERSION_RAD, AR5K_SREV_RAD_5111 },
{ "2112B", AR5K_VERSION_RAD, AR5K_SREV_RAD_2112B },
{ "2413", AR5K_VERSION_RAD, AR5K_SREV_RAD_2413 },
{ "5413", AR5K_VERSION_RAD, AR5K_SREV_RAD_5413 },
- { "2316", AR5K_VERSION_RAD, AR5K_SREV_RAD_2316 },
- { "2317", AR5K_VERSION_RAD, AR5K_SREV_RAD_2317 },
{ "5424", AR5K_VERSION_RAD, AR5K_SREV_RAD_5424 },
{ "5133", AR5K_VERSION_RAD, AR5K_SREV_RAD_5133 },
+#ifdef CONFIG_ATHEROS_AR231X
+ { "2316", AR5K_VERSION_RAD, AR5K_SREV_RAD_2316 },
+ { "2317", AR5K_VERSION_RAD, AR5K_SREV_RAD_2317 },
+#endif
{ "xxxxx", AR5K_VERSION_RAD, AR5K_SREV_UNKNOWN },
};
BUG_ON(!bf);
if (!bf->skb)
return;
- pci_unmap_single(sc->pdev, bf->skbaddr, bf->skb->len,
- PCI_DMA_TODEVICE);
+ dma_unmap_single(sc->dev, bf->skbaddr, bf->skb->len,
+ DMA_TO_DEVICE);
dev_kfree_skb_any(bf->skb);
bf->skb = NULL;
bf->skbaddr = 0;
BUG_ON(!bf);
if (!bf->skb)
return;
- pci_unmap_single(sc->pdev, bf->skbaddr, common->rx_bufsize,
- PCI_DMA_FROMDEVICE);
+ dma_unmap_single(sc->dev, bf->skbaddr, common->rx_bufsize,
+ DMA_FROM_DEVICE);
dev_kfree_skb_any(bf->skb);
bf->skb = NULL;
bf->skbaddr = 0;
return (tsf & ~0x7fff) | rstamp;
}
-static const char *
+const char *
ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val)
{
const char *name = "xxxxx";
switch (mode) {
case AR5K_MODE_11A:
- case AR5K_MODE_11A_TURBO:
/* 1..220, but 2GHz frequencies are filtered by check_channel */
size = 220 ;
chfreq = CHANNEL_5GHZ;
break;
case AR5K_MODE_11B:
case AR5K_MODE_11G:
- case AR5K_MODE_11G_TURBO:
size = 26;
chfreq = CHANNEL_2GHZ;
break;
return NULL;
}
- *skb_addr = pci_map_single(sc->pdev,
+ *skb_addr = dma_map_single(sc->dev,
skb->data, common->rx_bufsize,
- PCI_DMA_FROMDEVICE);
- if (unlikely(pci_dma_mapping_error(sc->pdev, *skb_addr))) {
+ DMA_FROM_DEVICE);
+
+ if (unlikely(dma_mapping_error(sc->dev, *skb_addr))) {
ATH5K_ERR(sc, "%s: DMA mapping failed\n", __func__);
dev_kfree_skb(skb);
return NULL;
flags = AR5K_TXDESC_INTREQ | AR5K_TXDESC_CLRDMASK;
/* XXX endianness */
- bf->skbaddr = pci_map_single(sc->pdev, skb->data, skb->len,
- PCI_DMA_TODEVICE);
+ bf->skbaddr = dma_map_single(sc->dev, skb->data, skb->len,
+ DMA_TO_DEVICE);
rate = ieee80211_get_tx_rate(sc->hw, info);
if (!rate) {
return 0;
err_unmap:
- pci_unmap_single(sc->pdev, bf->skbaddr, skb->len, PCI_DMA_TODEVICE);
+ dma_unmap_single(sc->dev, bf->skbaddr, skb->len, DMA_TO_DEVICE);
return ret;
}
\*******************/
static int
-ath5k_desc_alloc(struct ath5k_softc *sc, struct pci_dev *pdev)
+ath5k_desc_alloc(struct ath5k_softc *sc)
{
struct ath5k_desc *ds;
struct ath5k_buf *bf;
/* allocate descriptors */
sc->desc_len = sizeof(struct ath5k_desc) *
(ATH_TXBUF + ATH_RXBUF + ATH_BCBUF + 1);
- sc->desc = pci_alloc_consistent(pdev, sc->desc_len, &sc->desc_daddr);
+
+ sc->desc = dma_alloc_coherent(sc->dev, sc->desc_len,
+ &sc->desc_daddr, GFP_KERNEL);
if (sc->desc == NULL) {
ATH5K_ERR(sc, "can't allocate descriptors\n");
ret = -ENOMEM;
return 0;
err_free:
- pci_free_consistent(pdev, sc->desc_len, sc->desc, sc->desc_daddr);
+ dma_free_coherent(sc->dev, sc->desc_len, sc->desc, sc->desc_daddr);
err:
sc->desc = NULL;
return ret;
}
static void
-ath5k_desc_free(struct ath5k_softc *sc, struct pci_dev *pdev)
+ath5k_desc_free(struct ath5k_softc *sc)
{
struct ath5k_buf *bf;
ath5k_txbuf_free_skb(sc, bf);
/* Free memory associated with all descriptors */
- pci_free_consistent(pdev, sc->desc_len, sc->desc, sc->desc_daddr);
+ dma_free_coherent(sc->dev, sc->desc_len, sc->desc, sc->desc_daddr);
sc->desc = NULL;
sc->desc_daddr = 0;
if (!next_skb)
goto next;
- pci_unmap_single(sc->pdev, bf->skbaddr,
+ dma_unmap_single(sc->dev, bf->skbaddr,
common->rx_bufsize,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
skb_put(skb, rs.rs_datalen);
skb = bf->skb;
bf->skb = NULL;
- pci_unmap_single(sc->pdev, bf->skbaddr, skb->len,
- PCI_DMA_TODEVICE);
+
+ dma_unmap_single(sc->dev, bf->skbaddr, skb->len,
+ DMA_TO_DEVICE);
ath5k_tx_frame_completed(sc, skb, &ts);
}
u32 flags;
const int padsize = 0;
- bf->skbaddr = pci_map_single(sc->pdev, skb->data, skb->len,
- PCI_DMA_TODEVICE);
+ bf->skbaddr = dma_map_single(sc->dev, skb->data, skb->len,
+ DMA_TO_DEVICE);
ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "skb %p [data %p len %u] "
"skbaddr %llx\n", skb, skb->data, skb->len,
(unsigned long long)bf->skbaddr);
- if (pci_dma_mapping_error(sc->pdev, bf->skbaddr)) {
+
+ if (dma_mapping_error(sc->dev, bf->skbaddr)) {
ATH5K_ERR(sc, "beacon DMA mapping failed\n");
return -EIO;
}
return 0;
err_unmap:
- pci_unmap_single(sc->pdev, bf->skbaddr, skb->len, PCI_DMA_TODEVICE);
+ dma_unmap_single(sc->dev, bf->skbaddr, skb->len, DMA_TO_DEVICE);
return ret;
}
sc->bmisscount = 0;
}
- if (sc->opmode == NL80211_IFTYPE_AP && sc->num_ap_vifs > 1) {
+ if ((sc->opmode == NL80211_IFTYPE_AP && sc->num_ap_vifs > 1) ||
+ sc->opmode == NL80211_IFTYPE_MESH_POINT) {
u64 tsf = ath5k_hw_get_tsf64(ah);
u32 tsftu = TSF_TO_TU(tsf);
int slot = ((tsftu % sc->bintval) * ATH_BCBUF) / sc->bintval;
/* NB: hw still stops DMA, so proceed */
}
- /* refresh the beacon for AP mode */
- if (sc->opmode == NL80211_IFTYPE_AP)
+ /* refresh the beacon for AP or MESH mode */
+ if (sc->opmode == NL80211_IFTYPE_AP ||
+ sc->opmode == NL80211_IFTYPE_MESH_POINT)
ath5k_beacon_update(sc->hw, vif);
ath5k_hw_set_txdp(ah, sc->bhalq, bf->daddr);
* AR5K_REG_ENABLE_BITS(ah, AR5K_CR, AR5K_CR_SWI); */
}
-static irqreturn_t
+irqreturn_t
ath5k_intr(int irq, void *dev_id)
{
struct ath5k_softc *sc = dev_id;
unsigned int counter = 1000;
if (unlikely(test_bit(ATH_STAT_INVALID, sc->status) ||
- !ath5k_hw_is_intr_pending(ah)))
+ ((ath5k_get_bus_type(ah) != ATH_AHB) &&
+ !ath5k_hw_is_intr_pending(ah))))
return IRQ_NONE;
do {
tasklet_schedule(&sc->rf_kill.toggleq);
}
+
+ if (ath5k_get_bus_type(ah) == ATH_AHB)
+ break;
+
} while (ath5k_hw_is_intr_pending(ah) && --counter > 0);
if (unlikely(!counter))
* Initialization routines *
\*************************/
+int
+ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops)
+{
+ struct ieee80211_hw *hw = sc->hw;
+ struct ath_common *common;
+ int ret;
+ int csz;
+
+ /* Initialize driver private data */
+ SET_IEEE80211_DEV(hw, sc->dev);
+ hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_REPORTS_TX_ACK_STATUS;
+
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_MESH_POINT);
+
+ hw->extra_tx_headroom = 2;
+ hw->channel_change_time = 5000;
+
+ /*
+ * Mark the device as detached to avoid processing
+ * interrupts until setup is complete.
+ */
+ __set_bit(ATH_STAT_INVALID, sc->status);
+
+ sc->opmode = NL80211_IFTYPE_STATION;
+ sc->bintval = 1000;
+ mutex_init(&sc->lock);
+ spin_lock_init(&sc->rxbuflock);
+ spin_lock_init(&sc->txbuflock);
+ spin_lock_init(&sc->block);
+
+
+ /* Setup interrupt handler */
+ ret = request_irq(sc->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
+ if (ret) {
+ ATH5K_ERR(sc, "request_irq failed\n");
+ goto err;
+ }
+
+ /* If we passed the test, malloc an ath5k_hw struct */
+ sc->ah = kzalloc(sizeof(struct ath5k_hw), GFP_KERNEL);
+ if (!sc->ah) {
+ ret = -ENOMEM;
+ ATH5K_ERR(sc, "out of memory\n");
+ goto err_irq;
+ }
+
+ sc->ah->ah_sc = sc;
+ sc->ah->ah_iobase = sc->iobase;
+ common = ath5k_hw_common(sc->ah);
+ common->ops = &ath5k_common_ops;
+ common->bus_ops = bus_ops;
+ common->ah = sc->ah;
+ common->hw = hw;
+ common->priv = sc;
+
+ /*
+ * Cache line size is used to size and align various
+ * structures used to communicate with the hardware.
+ */
+ ath5k_read_cachesize(common, &csz);
+ common->cachelsz = csz << 2; /* convert to bytes */
+
+ spin_lock_init(&common->cc_lock);
+
+ /* Initialize device */
+ ret = ath5k_hw_init(sc);
+ if (ret)
+ goto err_free_ah;
+
+ /* set up multi-rate retry capabilities */
+ if (sc->ah->ah_version == AR5K_AR5212) {
+ hw->max_rates = 4;
+ hw->max_rate_tries = 11;
+ }
+
+ hw->vif_data_size = sizeof(struct ath5k_vif);
+
+ /* Finish private driver data initialization */
+ ret = ath5k_init(hw);
+ if (ret)
+ goto err_ah;
+
+ ATH5K_INFO(sc, "Atheros AR%s chip found (MAC: 0x%x, PHY: 0x%x)\n",
+ ath5k_chip_name(AR5K_VERSION_MAC, sc->ah->ah_mac_srev),
+ sc->ah->ah_mac_srev,
+ sc->ah->ah_phy_revision);
+
+ if (!sc->ah->ah_single_chip) {
+ /* Single chip radio (!RF5111) */
+ if (sc->ah->ah_radio_5ghz_revision &&
+ !sc->ah->ah_radio_2ghz_revision) {
+ /* No 5GHz support -> report 2GHz radio */
+ if (!test_bit(AR5K_MODE_11A,
+ sc->ah->ah_capabilities.cap_mode)) {
+ ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
+ ath5k_chip_name(AR5K_VERSION_RAD,
+ sc->ah->ah_radio_5ghz_revision),
+ sc->ah->ah_radio_5ghz_revision);
+ /* No 2GHz support (5110 and some
+ * 5Ghz only cards) -> report 5Ghz radio */
+ } else if (!test_bit(AR5K_MODE_11B,
+ sc->ah->ah_capabilities.cap_mode)) {
+ ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
+ ath5k_chip_name(AR5K_VERSION_RAD,
+ sc->ah->ah_radio_5ghz_revision),
+ sc->ah->ah_radio_5ghz_revision);
+ /* Multiband radio */
+ } else {
+ ATH5K_INFO(sc, "RF%s multiband radio found"
+ " (0x%x)\n",
+ ath5k_chip_name(AR5K_VERSION_RAD,
+ sc->ah->ah_radio_5ghz_revision),
+ sc->ah->ah_radio_5ghz_revision);
+ }
+ }
+ /* Multi chip radio (RF5111 - RF2111) ->
+ * report both 2GHz/5GHz radios */
+ else if (sc->ah->ah_radio_5ghz_revision &&
+ sc->ah->ah_radio_2ghz_revision){
+ ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
+ ath5k_chip_name(AR5K_VERSION_RAD,
+ sc->ah->ah_radio_5ghz_revision),
+ sc->ah->ah_radio_5ghz_revision);
+ ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
+ ath5k_chip_name(AR5K_VERSION_RAD,
+ sc->ah->ah_radio_2ghz_revision),
+ sc->ah->ah_radio_2ghz_revision);
+ }
+ }
+
+ ath5k_debug_init_device(sc);
+
+ /* ready to process interrupts */
+ __clear_bit(ATH_STAT_INVALID, sc->status);
+
+ return 0;
+err_ah:
+ ath5k_hw_deinit(sc->ah);
+err_free_ah:
+ kfree(sc->ah);
+err_irq:
+ free_irq(sc->irq, sc);
+err:
+ return ret;
+}
+
static int
ath5k_stop_locked(struct ath5k_softc *sc)
{
if (!test_bit(ATH_STAT_INVALID, sc->status)) {
ath5k_led_off(sc);
ath5k_hw_set_imr(ah, 0);
- synchronize_irq(sc->pdev->irq);
+ synchronize_irq(sc->irq);
ath5k_rx_stop(sc);
ath5k_hw_dma_stop(ah);
ath5k_drain_tx_buffs(sc);
}
static int
-ath5k_init(struct ath5k_softc *sc)
+ath5k_init_hw(struct ath5k_softc *sc)
{
struct ath5k_hw *ah = sc->ah;
struct ath_common *common = ath5k_hw_common(ah);
bool skip_pcu)
{
struct ath5k_hw *ah = sc->ah;
- int ret;
+ int ret, ani_mode;
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n");
ath5k_hw_set_imr(ah, 0);
- synchronize_irq(sc->pdev->irq);
+ synchronize_irq(sc->irq);
stop_tasklets(sc);
- if (chan) {
- ath5k_drain_tx_buffs(sc);
+ /* Save ani mode and disable ANI durring
+ * reset. If we don't we might get false
+ * PHY error interrupts. */
+ ani_mode = ah->ah_sc->ani_state.ani_mode;
+ ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
+ /* We are going to empty hw queues
+ * so we should also free any remaining
+ * tx buffers */
+ ath5k_drain_tx_buffs(sc);
+ if (chan) {
sc->curchan = chan;
sc->curband = &sc->sbands[chan->band];
}
goto err;
}
- ath5k_ani_init(ah, ah->ah_sc->ani_state.ani_mode);
+ ath5k_ani_init(ah, ani_mode);
ah->ah_cal_next_full = jiffies;
ah->ah_cal_next_ani = jiffies;
ah->ah_cal_next_nf = jiffies;
- ewma_init(&ah->ah_beacon_rssi_avg, 1000, 8);
+ ewma_init(&ah->ah_beacon_rssi_avg, 1024, 8);
/*
* Change channels and update the h/w rate map if we're switching;
}
static int
-ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
+ath5k_init(struct ieee80211_hw *hw)
{
+
struct ath5k_softc *sc = hw->priv;
struct ath5k_hw *ah = sc->ah;
struct ath_regulatory *regulatory = ath5k_hw_regulatory(ah);
u8 mac[ETH_ALEN] = {};
int ret;
- ATH5K_DBG(sc, ATH5K_DEBUG_ANY, "devid 0x%x\n", pdev->device);
/*
* Check if the MAC has multi-rate retry support.
/*
* Allocate tx+rx descriptors and populate the lists.
*/
- ret = ath5k_desc_alloc(sc, pdev);
+ ret = ath5k_desc_alloc(sc);
if (ret) {
ATH5K_ERR(sc, "can't allocate descriptors\n");
goto err;
goto err_bhal;
}
- /* This order matches mac80211's queue priority, so we can
- * directly use the mac80211 queue number without any mapping */
- txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VO);
- if (IS_ERR(txq)) {
- ATH5K_ERR(sc, "can't setup xmit queue\n");
- ret = PTR_ERR(txq);
- goto err_queues;
- }
- txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VI);
- if (IS_ERR(txq)) {
- ATH5K_ERR(sc, "can't setup xmit queue\n");
- ret = PTR_ERR(txq);
- goto err_queues;
- }
- txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE);
- if (IS_ERR(txq)) {
- ATH5K_ERR(sc, "can't setup xmit queue\n");
- ret = PTR_ERR(txq);
- goto err_queues;
- }
- txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BK);
- if (IS_ERR(txq)) {
- ATH5K_ERR(sc, "can't setup xmit queue\n");
- ret = PTR_ERR(txq);
- goto err_queues;
+ /* 5211 and 5212 usually support 10 queues but we better rely on the
+ * capability information */
+ if (ah->ah_capabilities.cap_queues.q_tx_num >= 6) {
+ /* This order matches mac80211's queue priority, so we can
+ * directly use the mac80211 queue number without any mapping */
+ txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VO);
+ if (IS_ERR(txq)) {
+ ATH5K_ERR(sc, "can't setup xmit queue\n");
+ ret = PTR_ERR(txq);
+ goto err_queues;
+ }
+ txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_VI);
+ if (IS_ERR(txq)) {
+ ATH5K_ERR(sc, "can't setup xmit queue\n");
+ ret = PTR_ERR(txq);
+ goto err_queues;
+ }
+ txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE);
+ if (IS_ERR(txq)) {
+ ATH5K_ERR(sc, "can't setup xmit queue\n");
+ ret = PTR_ERR(txq);
+ goto err_queues;
+ }
+ txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BK);
+ if (IS_ERR(txq)) {
+ ATH5K_ERR(sc, "can't setup xmit queue\n");
+ ret = PTR_ERR(txq);
+ goto err_queues;
+ }
+ hw->queues = 4;
+ } else {
+ /* older hardware (5210) can only support one data queue */
+ txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BE);
+ if (IS_ERR(txq)) {
+ ATH5K_ERR(sc, "can't setup xmit queue\n");
+ ret = PTR_ERR(txq);
+ goto err_queues;
+ }
+ hw->queues = 1;
}
- hw->queues = 4;
tasklet_init(&sc->rxtq, ath5k_tasklet_rx, (unsigned long)sc);
tasklet_init(&sc->txtq, ath5k_tasklet_tx, (unsigned long)sc);
ret = ath5k_eeprom_read_mac(ah, mac);
if (ret) {
- ATH5K_ERR(sc, "unable to read address from EEPROM: 0x%04x\n",
- sc->pdev->device);
+ ATH5K_ERR(sc, "unable to read address from EEPROM\n");
goto err_queues;
}
err_bhal:
ath5k_hw_release_tx_queue(ah, sc->bhalq);
err_desc:
- ath5k_desc_free(sc, pdev);
+ ath5k_desc_free(sc);
err:
return ret;
}
-static void
-ath5k_detach(struct pci_dev *pdev, struct ieee80211_hw *hw)
+void
+ath5k_deinit_softc(struct ath5k_softc *sc)
{
- struct ath5k_softc *sc = hw->priv;
+ struct ieee80211_hw *hw = sc->hw;
/*
* NB: the order of these is important:
* XXX: ??? detach ath5k_hw ???
* Other than that, it's straightforward...
*/
+ ath5k_debug_finish_device(sc);
ieee80211_unregister_hw(hw);
- ath5k_desc_free(sc, pdev);
+ ath5k_desc_free(sc);
ath5k_txq_release(sc);
ath5k_hw_release_tx_queue(sc->ah, sc->bhalq);
ath5k_unregister_leds(sc);
* returns because we'll get called back to reclaim node
* state and potentially want to use them.
*/
+ ath5k_hw_deinit(sc->ah);
+ free_irq(sc->irq, sc);
}
/********************\
static int ath5k_start(struct ieee80211_hw *hw)
{
- return ath5k_init(hw->priv);
+ return ath5k_init_hw(hw->priv);
}
static void ath5k_stop(struct ieee80211_hw *hw)
/* Assign the vap/adhoc to a beacon xmit slot. */
if ((avf->opmode == NL80211_IFTYPE_AP) ||
- (avf->opmode == NL80211_IFTYPE_ADHOC)) {
+ (avf->opmode == NL80211_IFTYPE_ADHOC) ||
+ (avf->opmode == NL80211_IFTYPE_MESH_POINT)) {
int slot;
WARN_ON(list_empty(&sc->bcbuf));
sc->bslot[avf->bslot] = vif;
if (avf->opmode == NL80211_IFTYPE_AP)
sc->num_ap_vifs++;
- else
+ else if (avf->opmode == NL80211_IFTYPE_ADHOC)
sc->num_adhoc_vifs++;
}
return 0;
}
-static const struct ieee80211_ops ath5k_hw_ops = {
+const struct ieee80211_ops ath5k_hw_ops = {
.tx = ath5k_tx,
.start = ath5k_start,
.stop = ath5k_stop,
.set_antenna = ath5k_set_antenna,
.get_antenna = ath5k_get_antenna,
};
-
-/********************\
-* PCI Initialization *
-\********************/
-
-static int __devinit
-ath5k_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
-{
- void __iomem *mem;
- struct ath5k_softc *sc;
- struct ath_common *common;
- struct ieee80211_hw *hw;
- int ret;
- u8 csz;
-
- /*
- * L0s needs to be disabled on all ath5k cards.
- *
- * For distributions shipping with CONFIG_PCIEASPM (this will be enabled
- * by default in the future in 2.6.36) this will also mean both L1 and
- * L0s will be disabled when a pre 1.1 PCIe device is detected. We do
- * know L1 works correctly even for all ath5k pre 1.1 PCIe devices
- * though but cannot currently undue the effect of a blacklist, for
- * details you can read pcie_aspm_sanity_check() and see how it adjusts
- * the device link capability.
- *
- * It may be possible in the future to implement some PCI API to allow
- * drivers to override blacklists for pre 1.1 PCIe but for now it is
- * best to accept that both L0s and L1 will be disabled completely for
- * distributions shipping with CONFIG_PCIEASPM rather than having this
- * issue present. Motivation for adding this new API will be to help
- * with power consumption for some of these devices.
- */
- pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S);
-
- ret = pci_enable_device(pdev);
- if (ret) {
- dev_err(&pdev->dev, "can't enable device\n");
- goto err;
- }
-
- /* XXX 32-bit addressing only */
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
- if (ret) {
- dev_err(&pdev->dev, "32-bit DMA not available\n");
- goto err_dis;
- }
-
- /*
- * Cache line size is used to size and align various
- * structures used to communicate with the hardware.
- */
- pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
- if (csz == 0) {
- /*
- * Linux 2.4.18 (at least) writes the cache line size
- * register as a 16-bit wide register which is wrong.
- * We must have this setup properly for rx buffer
- * DMA to work so force a reasonable value here if it
- * comes up zero.
- */
- csz = L1_CACHE_BYTES >> 2;
- pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
- }
- /*
- * The default setting of latency timer yields poor results,
- * set it to the value used by other systems. It may be worth
- * tweaking this setting more.
- */
- pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
-
- /* Enable bus mastering */
- pci_set_master(pdev);
-
- /*
- * Disable the RETRY_TIMEOUT register (0x41) to keep
- * PCI Tx retries from interfering with C3 CPU state.
- */
- pci_write_config_byte(pdev, 0x41, 0);
-
- ret = pci_request_region(pdev, 0, "ath5k");
- if (ret) {
- dev_err(&pdev->dev, "cannot reserve PCI memory region\n");
- goto err_dis;
- }
-
- mem = pci_iomap(pdev, 0, 0);
- if (!mem) {
- dev_err(&pdev->dev, "cannot remap PCI memory region\n") ;
- ret = -EIO;
- goto err_reg;
- }
-
- /*
- * Allocate hw (mac80211 main struct)
- * and hw->priv (driver private data)
- */
- hw = ieee80211_alloc_hw(sizeof(*sc), &ath5k_hw_ops);
- if (hw == NULL) {
- dev_err(&pdev->dev, "cannot allocate ieee80211_hw\n");
- ret = -ENOMEM;
- goto err_map;
- }
-
- dev_info(&pdev->dev, "registered as '%s'\n", wiphy_name(hw->wiphy));
-
- /* Initialize driver private data */
- SET_IEEE80211_DEV(hw, &pdev->dev);
- hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
- IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
- IEEE80211_HW_SIGNAL_DBM;
-
- hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_MESH_POINT);
-
- hw->extra_tx_headroom = 2;
- hw->channel_change_time = 5000;
- sc = hw->priv;
- sc->hw = hw;
- sc->pdev = pdev;
-
- /*
- * Mark the device as detached to avoid processing
- * interrupts until setup is complete.
- */
- __set_bit(ATH_STAT_INVALID, sc->status);
-
- sc->iobase = mem; /* So we can unmap it on detach */
- sc->opmode = NL80211_IFTYPE_STATION;
- sc->bintval = 1000;
- mutex_init(&sc->lock);
- spin_lock_init(&sc->rxbuflock);
- spin_lock_init(&sc->txbuflock);
- spin_lock_init(&sc->block);
-
- /* Set private data */
- pci_set_drvdata(pdev, sc);
-
- /* Setup interrupt handler */
- ret = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
- if (ret) {
- ATH5K_ERR(sc, "request_irq failed\n");
- goto err_free;
- }
-
- /* If we passed the test, malloc an ath5k_hw struct */
- sc->ah = kzalloc(sizeof(struct ath5k_hw), GFP_KERNEL);
- if (!sc->ah) {
- ret = -ENOMEM;
- ATH5K_ERR(sc, "out of memory\n");
- goto err_irq;
- }
-
- sc->ah->ah_sc = sc;
- sc->ah->ah_iobase = sc->iobase;
- common = ath5k_hw_common(sc->ah);
- common->ops = &ath5k_common_ops;
- common->ah = sc->ah;
- common->hw = hw;
- common->cachelsz = csz << 2; /* convert to bytes */
- spin_lock_init(&common->cc_lock);
-
- /* Initialize device */
- ret = ath5k_hw_attach(sc);
- if (ret) {
- goto err_free_ah;
- }
-
- /* set up multi-rate retry capabilities */
- if (sc->ah->ah_version == AR5K_AR5212) {
- hw->max_rates = 4;
- hw->max_rate_tries = 11;
- }
-
- hw->vif_data_size = sizeof(struct ath5k_vif);
-
- /* Finish private driver data initialization */
- ret = ath5k_attach(pdev, hw);
- if (ret)
- goto err_ah;
-
- ATH5K_INFO(sc, "Atheros AR%s chip found (MAC: 0x%x, PHY: 0x%x)\n",
- ath5k_chip_name(AR5K_VERSION_MAC, sc->ah->ah_mac_srev),
- sc->ah->ah_mac_srev,
- sc->ah->ah_phy_revision);
-
- if (!sc->ah->ah_single_chip) {
- /* Single chip radio (!RF5111) */
- if (sc->ah->ah_radio_5ghz_revision &&
- !sc->ah->ah_radio_2ghz_revision) {
- /* No 5GHz support -> report 2GHz radio */
- if (!test_bit(AR5K_MODE_11A,
- sc->ah->ah_capabilities.cap_mode)) {
- ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
- ath5k_chip_name(AR5K_VERSION_RAD,
- sc->ah->ah_radio_5ghz_revision),
- sc->ah->ah_radio_5ghz_revision);
- /* No 2GHz support (5110 and some
- * 5Ghz only cards) -> report 5Ghz radio */
- } else if (!test_bit(AR5K_MODE_11B,
- sc->ah->ah_capabilities.cap_mode)) {
- ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
- ath5k_chip_name(AR5K_VERSION_RAD,
- sc->ah->ah_radio_5ghz_revision),
- sc->ah->ah_radio_5ghz_revision);
- /* Multiband radio */
- } else {
- ATH5K_INFO(sc, "RF%s multiband radio found"
- " (0x%x)\n",
- ath5k_chip_name(AR5K_VERSION_RAD,
- sc->ah->ah_radio_5ghz_revision),
- sc->ah->ah_radio_5ghz_revision);
- }
- }
- /* Multi chip radio (RF5111 - RF2111) ->
- * report both 2GHz/5GHz radios */
- else if (sc->ah->ah_radio_5ghz_revision &&
- sc->ah->ah_radio_2ghz_revision){
- ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
- ath5k_chip_name(AR5K_VERSION_RAD,
- sc->ah->ah_radio_5ghz_revision),
- sc->ah->ah_radio_5ghz_revision);
- ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
- ath5k_chip_name(AR5K_VERSION_RAD,
- sc->ah->ah_radio_2ghz_revision),
- sc->ah->ah_radio_2ghz_revision);
- }
- }
-
- ath5k_debug_init_device(sc);
-
- /* ready to process interrupts */
- __clear_bit(ATH_STAT_INVALID, sc->status);
-
- return 0;
-err_ah:
- ath5k_hw_detach(sc->ah);
-err_free_ah:
- kfree(sc->ah);
-err_irq:
- free_irq(pdev->irq, sc);
-err_free:
- ieee80211_free_hw(hw);
-err_map:
- pci_iounmap(pdev, mem);
-err_reg:
- pci_release_region(pdev, 0);
-err_dis:
- pci_disable_device(pdev);
-err:
- return ret;
-}
-
-static void __devexit
-ath5k_pci_remove(struct pci_dev *pdev)
-{
- struct ath5k_softc *sc = pci_get_drvdata(pdev);
-
- ath5k_debug_finish_device(sc);
- ath5k_detach(pdev, sc->hw);
- ath5k_hw_detach(sc->ah);
- kfree(sc->ah);
- free_irq(pdev->irq, sc);
- pci_iounmap(pdev, sc->iobase);
- pci_release_region(pdev, 0);
- pci_disable_device(pdev);
- ieee80211_free_hw(sc->hw);
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int ath5k_pci_suspend(struct device *dev)
-{
- struct ath5k_softc *sc = pci_get_drvdata(to_pci_dev(dev));
-
- ath5k_led_off(sc);
- return 0;
-}
-
-static int ath5k_pci_resume(struct device *dev)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- struct ath5k_softc *sc = pci_get_drvdata(pdev);
-
- /*
- * Suspend/Resume resets the PCI configuration space, so we have to
- * re-disable the RETRY_TIMEOUT register (0x41) to keep
- * PCI Tx retries from interfering with C3 CPU state
- */
- pci_write_config_byte(pdev, 0x41, 0);
-
- ath5k_led_enable(sc);
- return 0;
-}
-
-static SIMPLE_DEV_PM_OPS(ath5k_pm_ops, ath5k_pci_suspend, ath5k_pci_resume);
-#define ATH5K_PM_OPS (&ath5k_pm_ops)
-#else
-#define ATH5K_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
-
-static struct pci_driver ath5k_pci_driver = {
- .name = KBUILD_MODNAME,
- .id_table = ath5k_pci_id_table,
- .probe = ath5k_pci_probe,
- .remove = __devexit_p(ath5k_pci_remove),
- .driver.pm = ATH5K_PM_OPS,
-};
-
-/*
- * Module init/exit functions
- */
-static int __init
-init_ath5k_pci(void)
-{
- int ret;
-
- ret = pci_register_driver(&ath5k_pci_driver);
- if (ret) {
- printk(KERN_ERR "ath5k_pci: can't register pci driver\n");
- return ret;
- }
-
- return 0;
-}
-
-static void __exit
-exit_ath5k_pci(void)
-{
- pci_unregister_driver(&ath5k_pci_driver);
-}
-
-module_init(init_ath5k_pci);
-module_exit(exit_ath5k_pci);