From 78eb7484fadddd2860d4503b3c8c1710c1bfa1b3 Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Tue, 30 Dec 2008 13:48:19 +0100 Subject: [PATCH] p54: enable rx/tx antenna diversity by eeprom bits Respect all documented bits in the eeprom about the device diversity features. Signed-off-by: Christian Lamparter Signed-off-by: John W. Linville --- drivers/net/wireless/p54/p54.h | 2 ++ drivers/net/wireless/p54/p54common.c | 10 +++++++--- drivers/net/wireless/p54/p54common.h | 2 +- 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h index ab79e32f0b27..6bd147c47ae0 100644 --- a/drivers/net/wireless/p54/p54.h +++ b/drivers/net/wireless/p54/p54.h @@ -99,6 +99,8 @@ struct p54_common { struct mutex conf_mutex; u8 mac_addr[ETH_ALEN]; u8 bssid[ETH_ALEN]; + u8 rx_diversity_mask; + u8 tx_diversity_mask; struct pda_iq_autocal_entry *iq_autocal; unsigned int iq_autocal_len; struct pda_channel_output_limit *output_limit; diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index 0907e6f246e6..6e9f73745b68 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -563,6 +563,10 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz; if (!(synth & PDR_SYNTH_5_GHZ_DISABLED)) dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz; + if ((synth & PDR_SYNTH_RX_DIV_MASK) == PDR_SYNTH_RX_DIV_SUPPORTED) + priv->rx_diversity_mask = 3; + if ((synth & PDR_SYNTH_TX_DIV_MASK) == PDR_SYNTH_TX_DIV_SUPPORTED) + priv->tx_diversity_mask = 3; if (!is_valid_ether_addr(dev->wiphy->perm_addr)) { u8 perm_addr[ETH_ALEN]; @@ -1512,8 +1516,8 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb) txhdr->hw_queue = queue; txhdr->backlog = current_queue->len; memset(txhdr->durations, 0, sizeof(txhdr->durations)); - txhdr->tx_antenna = (info->antenna_sel_tx == 0) ? - 2 : info->antenna_sel_tx - 1; + txhdr->tx_antenna = ((info->antenna_sel_tx == 0) ? + 2 : info->antenna_sel_tx - 1) & priv->tx_diversity_mask; txhdr->output_power = priv->output_power; txhdr->cts_rate = cts_rate; if (padding) @@ -1584,7 +1588,7 @@ static int p54_setup_mac(struct ieee80211_hw *dev) setup->mac_mode = cpu_to_le16(mode); memcpy(setup->mac_addr, priv->mac_addr, ETH_ALEN); memcpy(setup->bssid, priv->bssid, ETH_ALEN); - setup->rx_antenna = 2; /* automatic */ + setup->rx_antenna = 2 & priv->rx_diversity_mask; /* automatic */ setup->rx_align = 0; if (priv->fw_var < 0x500) { setup->v1.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h index 163e3adba422..035e77312484 100644 --- a/drivers/net/wireless/p54/p54common.h +++ b/drivers/net/wireless/p54/p54common.h @@ -31,7 +31,7 @@ struct bootrec { #define PDR_SYNTH_IQ_CAL_DISABLED 0x0008 #define PDR_SYNTH_IQ_CAL_ZIF 0x0010 #define PDR_SYNTH_FAA_SWITCH_MASK 0x0020 -#define PDR_SYNTH_FAA_SWITCH_ENABLED 0x0001 +#define PDR_SYNTH_FAA_SWITCH_ENABLED 0x0020 #define PDR_SYNTH_24_GHZ_MASK 0x0040 #define PDR_SYNTH_24_GHZ_DISABLED 0x0040 #define PDR_SYNTH_5_GHZ_MASK 0x0080 -- 2.11.0