diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc_drv_init.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_init.c | 127 |
1 files changed, 123 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index dc015077a8d..7339439f0be 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -34,6 +34,13 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption"); .max_power = 20, \ } +#define CHAN5G(_freq, _idx) { \ + .band = IEEE80211_BAND_5GHZ, \ + .center_freq = (_freq), \ + .hw_value = (_idx), \ + .max_power = 20, \ +} + static struct ieee80211_channel ath9k_2ghz_channels[] = { CHAN2G(2412, 0), /* Channel 1 */ CHAN2G(2417, 1), /* Channel 2 */ @@ -51,6 +58,37 @@ static struct ieee80211_channel ath9k_2ghz_channels[] = { CHAN2G(2484, 13), /* Channel 14 */ }; +static struct ieee80211_channel ath9k_5ghz_channels[] = { + /* _We_ call this UNII 1 */ + CHAN5G(5180, 14), /* Channel 36 */ + CHAN5G(5200, 15), /* Channel 40 */ + CHAN5G(5220, 16), /* Channel 44 */ + CHAN5G(5240, 17), /* Channel 48 */ + /* _We_ call this UNII 2 */ + CHAN5G(5260, 18), /* Channel 52 */ + CHAN5G(5280, 19), /* Channel 56 */ + CHAN5G(5300, 20), /* Channel 60 */ + CHAN5G(5320, 21), /* Channel 64 */ + /* _We_ call this "Middle band" */ + CHAN5G(5500, 22), /* Channel 100 */ + CHAN5G(5520, 23), /* Channel 104 */ + CHAN5G(5540, 24), /* Channel 108 */ + CHAN5G(5560, 25), /* Channel 112 */ + CHAN5G(5580, 26), /* Channel 116 */ + CHAN5G(5600, 27), /* Channel 120 */ + CHAN5G(5620, 28), /* Channel 124 */ + CHAN5G(5640, 29), /* Channel 128 */ + CHAN5G(5660, 30), /* Channel 132 */ + CHAN5G(5680, 31), /* Channel 136 */ + CHAN5G(5700, 32), /* Channel 140 */ + /* _We_ call this UNII 3 */ + CHAN5G(5745, 33), /* Channel 149 */ + CHAN5G(5765, 34), /* Channel 153 */ + CHAN5G(5785, 35), /* Channel 157 */ + CHAN5G(5805, 36), /* Channel 161 */ + CHAN5G(5825, 37), /* Channel 165 */ +}; + /* Atheros hardware rate code addition for short premble */ #define SHPCHECK(__hw_rate, __flags) \ ((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04) : 0) @@ -141,7 +179,7 @@ static inline int ath9k_htc_connect_svc(struct ath9k_htc_priv *priv, return htc_connect_service(priv->htc, &req, ep_id); } -static int ath9k_init_htc_services(struct ath9k_htc_priv *priv) +static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid) { int ret; @@ -199,10 +237,33 @@ static int ath9k_init_htc_services(struct ath9k_htc_priv *priv) if (ret) goto err; + /* + * Setup required credits before initializing HTC. + * This is a bit hacky, but, since queuing is done in + * the HIF layer, shouldn't matter much. + */ + + switch(devid) { + case 0x9271: + case 0x1006: + priv->htc->credits = 33; + break; + case 0x7010: + priv->htc->credits = 45; + break; + default: + dev_err(priv->dev, "ath9k_htc: Unsupported device id: 0x%x\n", + devid); + goto err; + } + ret = htc_init(priv->htc); if (ret) goto err; + dev_info(priv->dev, "ath9k_htc: HTC initialized with %d credits\n", + priv->htc->credits); + return 0; err: @@ -398,17 +459,43 @@ static const struct ath_bus_ops ath9k_usb_bus_ops = { static void setup_ht_cap(struct ath9k_htc_priv *priv, struct ieee80211_sta_ht_cap *ht_info) { + struct ath_common *common = ath9k_hw_common(priv->ah); + u8 tx_streams, rx_streams; + int i; + ht_info->ht_supported = true; ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_SM_PS | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_DSSSCCK40; + if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20) + ht_info->cap |= IEEE80211_HT_CAP_SGI_20; + + ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); + ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); - ht_info->mcs.rx_mask[0] = 0xff; + + /* ath9k_htc supports only 1 or 2 stream devices */ + tx_streams = ath9k_cmn_count_streams(common->tx_chainmask, 2); + rx_streams = ath9k_cmn_count_streams(common->rx_chainmask, 2); + + ath_print(common, ATH_DBG_CONFIG, + "TX streams %d, RX streams: %d\n", + tx_streams, rx_streams); + + if (tx_streams != rx_streams) { + ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; + ht_info->mcs.tx_params |= ((tx_streams - 1) << + IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); + } + + for (i = 0; i < rx_streams; i++) + ht_info->mcs.rx_mask[i] = 0xff; + ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; } @@ -420,6 +507,20 @@ static int ath9k_init_queues(struct ath9k_htc_priv *priv) for (i = 0; i < ARRAY_SIZE(priv->hwq_map); i++) priv->hwq_map[i] = -1; + priv->beaconq = ath9k_hw_beaconq_setup(priv->ah); + if (priv->beaconq == -1) { + ath_print(common, ATH_DBG_FATAL, + "Unable to setup BEACON xmit queue\n"); + goto err; + } + + priv->cabq = ath9k_htc_cabq_setup(priv); + if (priv->cabq == -1) { + ath_print(common, ATH_DBG_FATAL, + "Unable to setup CAB xmit queue\n"); + goto err; + } + if (!ath9k_htc_txq_setup(priv, ATH9K_WME_AC_BE)) { ath_print(common, ATH_DBG_FATAL, "Unable to setup xmit queue for BE traffic\n"); @@ -512,6 +613,17 @@ static void ath9k_init_channels_rates(struct ath9k_htc_priv *priv) priv->sbands[IEEE80211_BAND_2GHZ].n_bitrates = ARRAY_SIZE(ath9k_legacy_rates); } + + if (test_bit(ATH9K_MODE_11A, priv->ah->caps.wireless_modes)) { + priv->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_channels; + priv->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ; + priv->sbands[IEEE80211_BAND_5GHZ].n_channels = + ARRAY_SIZE(ath9k_5ghz_channels); + priv->sbands[IEEE80211_BAND_5GHZ].bitrates = + ath9k_legacy_rates + 4; + priv->sbands[IEEE80211_BAND_5GHZ].n_bitrates = + ARRAY_SIZE(ath9k_legacy_rates) - 4; + } } static void ath9k_init_misc(struct ath9k_htc_priv *priv) @@ -643,11 +755,17 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, if (test_bit(ATH9K_MODE_11G, priv->ah->caps.wireless_modes)) hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->sbands[IEEE80211_BAND_2GHZ]; + if (test_bit(ATH9K_MODE_11A, priv->ah->caps.wireless_modes)) + hw->wiphy->bands[IEEE80211_BAND_5GHZ] = + &priv->sbands[IEEE80211_BAND_5GHZ]; if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_HT) { if (test_bit(ATH9K_MODE_11G, priv->ah->caps.wireless_modes)) setup_ht_cap(priv, &priv->sbands[IEEE80211_BAND_2GHZ].ht_cap); + if (test_bit(ATH9K_MODE_11A, priv->ah->caps.wireless_modes)) + setup_ht_cap(priv, + &priv->sbands[IEEE80211_BAND_5GHZ].ht_cap); } SET_IEEE80211_PERM_ADDR(hw, common->macaddr); @@ -747,7 +865,7 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, goto err_free; } - ret = ath9k_init_htc_services(priv); + ret = ath9k_init_htc_services(priv, devid); if (ret) goto err_init; @@ -790,7 +908,8 @@ int ath9k_htc_resume(struct htc_target *htc_handle) if (ret) return ret; - ret = ath9k_init_htc_services(htc_handle->drv_priv); + ret = ath9k_init_htc_services(htc_handle->drv_priv, + htc_handle->drv_priv->ah->hw_version.devid); return ret; } #endif |