diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500pci.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500pci.c | 225 |
1 files changed, 86 insertions, 139 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 702321c30164..e874fdcae204 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -24,11 +24,6 @@ Supported chipsets: RT2560. */ -/* - * Set enviroment defines for rt2x00.h - */ -#define DRV_NAME "rt2500pci" - #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/init.h> @@ -54,7 +49,7 @@ * the access attempt is considered to have failed, * and we will print an error. */ -static u32 rt2500pci_bbp_check(const struct rt2x00_dev *rt2x00dev) +static u32 rt2500pci_bbp_check(struct rt2x00_dev *rt2x00dev) { u32 reg; unsigned int i; @@ -69,7 +64,7 @@ static u32 rt2500pci_bbp_check(const struct rt2x00_dev *rt2x00dev) return reg; } -static void rt2500pci_bbp_write(const struct rt2x00_dev *rt2x00dev, +static void rt2500pci_bbp_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; @@ -95,7 +90,7 @@ static void rt2500pci_bbp_write(const struct rt2x00_dev *rt2x00dev, rt2x00pci_register_write(rt2x00dev, BBPCSR, reg); } -static void rt2500pci_bbp_read(const struct rt2x00_dev *rt2x00dev, +static void rt2500pci_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word, u8 *value) { u32 reg; @@ -132,7 +127,7 @@ static void rt2500pci_bbp_read(const struct rt2x00_dev *rt2x00dev, *value = rt2x00_get_field32(reg, BBPCSR_VALUE); } -static void rt2500pci_rf_write(const struct rt2x00_dev *rt2x00dev, +static void rt2500pci_rf_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u32 value) { u32 reg; @@ -195,13 +190,13 @@ static void rt2500pci_eepromregister_write(struct eeprom_93cx6 *eeprom) #ifdef CONFIG_RT2X00_LIB_DEBUGFS #define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) ) -static void rt2500pci_read_csr(const struct rt2x00_dev *rt2x00dev, +static void rt2500pci_read_csr(struct rt2x00_dev *rt2x00dev, const unsigned int word, u32 *data) { rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data); } -static void rt2500pci_write_csr(const struct rt2x00_dev *rt2x00dev, +static void rt2500pci_write_csr(struct rt2x00_dev *rt2x00dev, const unsigned int word, u32 data) { rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data); @@ -289,7 +284,7 @@ static void rt2500pci_config_type(struct rt2x00_dev *rt2x00dev, const int type, */ rt2x00pci_register_read(rt2x00dev, CSR14, ®); rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); - rt2x00_set_field32(®, CSR14_TBCN, 1); + rt2x00_set_field32(®, CSR14_TBCN, (tsf_sync == TSF_SYNC_BEACON)); rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); rt2x00_set_field32(®, CSR14_TSF_SYNC, tsf_sync); rt2x00pci_register_write(rt2x00dev, CSR14, reg); @@ -424,7 +419,7 @@ static void rt2500pci_config_txpower(struct rt2x00_dev *rt2x00dev, } static void rt2500pci_config_antenna(struct rt2x00_dev *rt2x00dev, - const int antenna_tx, const int antenna_rx) + struct antenna_setup *ant) { u32 reg; u8 r14; @@ -437,18 +432,20 @@ static void rt2500pci_config_antenna(struct rt2x00_dev *rt2x00dev, /* * Configure the TX antenna. */ - switch (antenna_tx) { - case ANTENNA_SW_DIVERSITY: - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2); - rt2x00_set_field32(®, BBPCSR1_CCK, 2); - rt2x00_set_field32(®, BBPCSR1_OFDM, 2); - break; + switch (ant->tx) { case ANTENNA_A: rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0); rt2x00_set_field32(®, BBPCSR1_CCK, 0); rt2x00_set_field32(®, BBPCSR1_OFDM, 0); break; + case ANTENNA_HW_DIVERSITY: + case ANTENNA_SW_DIVERSITY: + /* + * NOTE: We should never come here because rt2x00lib is + * supposed to catch this and send us the correct antenna + * explicitely. However we are nog going to bug about this. + * Instead, just default to antenna B. + */ case ANTENNA_B: rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2); rt2x00_set_field32(®, BBPCSR1_CCK, 2); @@ -459,14 +456,18 @@ static void rt2500pci_config_antenna(struct rt2x00_dev *rt2x00dev, /* * Configure the RX antenna. */ - switch (antenna_rx) { - case ANTENNA_SW_DIVERSITY: - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); - break; + switch (ant->rx) { case ANTENNA_A: rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0); break; + case ANTENNA_HW_DIVERSITY: + case ANTENNA_SW_DIVERSITY: + /* + * NOTE: We should never come here because rt2x00lib is + * supposed to catch this and send us the correct antenna + * explicitely. However we are nog going to bug about this. + * Instead, just default to antenna B. + */ case ANTENNA_B: rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); break; @@ -541,9 +542,7 @@ static void rt2500pci_config(struct rt2x00_dev *rt2x00dev, rt2500pci_config_txpower(rt2x00dev, libconf->conf->power_level); if (flags & CONFIG_UPDATE_ANTENNA) - rt2500pci_config_antenna(rt2x00dev, - libconf->conf->antenna_sel_tx, - libconf->conf->antenna_sel_rx); + rt2500pci_config_antenna(rt2x00dev, &libconf->ant); if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT)) rt2500pci_config_duration(rt2x00dev, libconf); } @@ -559,18 +558,10 @@ static void rt2500pci_enable_led(struct rt2x00_dev *rt2x00dev) rt2x00_set_field32(®, LEDCSR_ON_PERIOD, 70); rt2x00_set_field32(®, LEDCSR_OFF_PERIOD, 30); - - if (rt2x00dev->led_mode == LED_MODE_TXRX_ACTIVITY) { - rt2x00_set_field32(®, LEDCSR_LINK, 1); - rt2x00_set_field32(®, LEDCSR_ACTIVITY, 0); - } else if (rt2x00dev->led_mode == LED_MODE_ASUS) { - rt2x00_set_field32(®, LEDCSR_LINK, 0); - rt2x00_set_field32(®, LEDCSR_ACTIVITY, 1); - } else { - rt2x00_set_field32(®, LEDCSR_LINK, 1); - rt2x00_set_field32(®, LEDCSR_ACTIVITY, 1); - } - + rt2x00_set_field32(®, LEDCSR_LINK, + (rt2x00dev->led_mode != LED_MODE_ASUS)); + rt2x00_set_field32(®, LEDCSR_ACTIVITY, + (rt2x00dev->led_mode != LED_MODE_TXRX_ACTIVITY)); rt2x00pci_register_write(rt2x00dev, LEDCSR, reg); } @@ -587,7 +578,8 @@ static void rt2500pci_disable_led(struct rt2x00_dev *rt2x00dev) /* * Link tuning */ -static void rt2500pci_link_stats(struct rt2x00_dev *rt2x00dev) +static void rt2500pci_link_stats(struct rt2x00_dev *rt2x00dev, + struct link_qual *qual) { u32 reg; @@ -595,13 +587,13 @@ static void rt2500pci_link_stats(struct rt2x00_dev *rt2x00dev) * Update FCS error count from register. */ rt2x00pci_register_read(rt2x00dev, CNT0, ®); - rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR); + qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR); /* * Update False CCA count from register. */ rt2x00pci_register_read(rt2x00dev, CNT3, ®); - rt2x00dev->link.false_cca = rt2x00_get_field32(reg, CNT3_FALSE_CCA); + qual->false_cca = rt2x00_get_field32(reg, CNT3_FALSE_CCA); } static void rt2500pci_reset_tuner(struct rt2x00_dev *rt2x00dev) @@ -679,10 +671,10 @@ dynamic_cca_tune: * R17 is inside the dynamic tuning range, * start tuning the link based on the false cca counter. */ - if (rt2x00dev->link.false_cca > 512 && r17 < 0x40) { + if (rt2x00dev->link.qual.false_cca > 512 && r17 < 0x40) { rt2500pci_bbp_write(rt2x00dev, 17, ++r17); rt2x00dev->link.vgc_level = r17; - } else if (rt2x00dev->link.false_cca < 100 && r17 > 0x32) { + } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > 0x32) { rt2500pci_bbp_write(rt2x00dev, 17, --r17); rt2x00dev->link.vgc_level = r17; } @@ -691,55 +683,35 @@ dynamic_cca_tune: /* * Initialization functions. */ -static void rt2500pci_init_rxring(struct rt2x00_dev *rt2x00dev) +static void rt2500pci_init_rxentry(struct rt2x00_dev *rt2x00dev, + struct data_entry *entry) { - struct data_ring *ring = rt2x00dev->rx; - struct data_desc *rxd; - unsigned int i; + __le32 *rxd = entry->priv; u32 word; - memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring)); - - for (i = 0; i < ring->stats.limit; i++) { - rxd = ring->entry[i].priv; - - rt2x00_desc_read(rxd, 1, &word); - rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, - ring->entry[i].data_dma); - rt2x00_desc_write(rxd, 1, word); - - rt2x00_desc_read(rxd, 0, &word); - rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1); - rt2x00_desc_write(rxd, 0, word); - } + rt2x00_desc_read(rxd, 1, &word); + rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, entry->data_dma); + rt2x00_desc_write(rxd, 1, word); - rt2x00_ring_index_clear(rt2x00dev->rx); + rt2x00_desc_read(rxd, 0, &word); + rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1); + rt2x00_desc_write(rxd, 0, word); } -static void rt2500pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue) +static void rt2500pci_init_txentry(struct rt2x00_dev *rt2x00dev, + struct data_entry *entry) { - struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue); - struct data_desc *txd; - unsigned int i; + __le32 *txd = entry->priv; u32 word; - memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring)); - - for (i = 0; i < ring->stats.limit; i++) { - txd = ring->entry[i].priv; - - rt2x00_desc_read(txd, 1, &word); - rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, - ring->entry[i].data_dma); - rt2x00_desc_write(txd, 1, word); - - rt2x00_desc_read(txd, 0, &word); - rt2x00_set_field32(&word, TXD_W0_VALID, 0); - rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0); - rt2x00_desc_write(txd, 0, word); - } + rt2x00_desc_read(txd, 1, &word); + rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, entry->data_dma); + rt2x00_desc_write(txd, 1, word); - rt2x00_ring_index_clear(ring); + rt2x00_desc_read(txd, 0, &word); + rt2x00_set_field32(&word, TXD_W0_VALID, 0); + rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0); + rt2x00_desc_write(txd, 0, word); } static int rt2500pci_init_rings(struct rt2x00_dev *rt2x00dev) @@ -747,15 +719,6 @@ static int rt2500pci_init_rings(struct rt2x00_dev *rt2x00dev) u32 reg; /* - * Initialize rings. - */ - rt2500pci_init_rxring(rt2x00dev); - rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA0); - rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA1); - rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_AFTER_BEACON); - rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON); - - /* * Initialize registers. */ rt2x00pci_register_read(rt2x00dev, TXCSR2, ®); @@ -1170,12 +1133,12 @@ static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev, * TX descriptor initialization */ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, - struct data_desc *txd, + struct sk_buff *skb, struct txdata_entry_desc *desc, - struct ieee80211_hdr *ieee80211hdr, - unsigned int length, struct ieee80211_tx_control *control) { + struct skb_desc *skbdesc = get_skb_desc(skb); + __le32 *txd = skbdesc->desc; u32 word; /* @@ -1206,7 +1169,7 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags)); rt2x00_set_field32(&word, TXD_W0_ACK, - !(control->flags & IEEE80211_TXCTL_NO_ACK)); + test_bit(ENTRY_TXD_ACK, &desc->flags)); rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags)); rt2x00_set_field32(&word, TXD_W0_OFDM, @@ -1216,7 +1179,7 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, !!(control->flags & IEEE80211_TXCTL_LONG_RETRY_LIMIT)); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len); rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); rt2x00_desc_write(txd, 0, word); } @@ -1239,12 +1202,12 @@ static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, } rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); - if (queue == IEEE80211_TX_QUEUE_DATA0) - rt2x00_set_field32(®, TXCSR0_KICK_PRIO, 1); - else if (queue == IEEE80211_TX_QUEUE_DATA1) - rt2x00_set_field32(®, TXCSR0_KICK_TX, 1); - else if (queue == IEEE80211_TX_QUEUE_AFTER_BEACON) - rt2x00_set_field32(®, TXCSR0_KICK_ATIM, 1); + rt2x00_set_field32(®, TXCSR0_KICK_PRIO, + (queue == IEEE80211_TX_QUEUE_DATA0)); + rt2x00_set_field32(®, TXCSR0_KICK_TX, + (queue == IEEE80211_TX_QUEUE_DATA1)); + rt2x00_set_field32(®, TXCSR0_KICK_ATIM, + (queue == IEEE80211_TX_QUEUE_AFTER_BEACON)); rt2x00pci_register_write(rt2x00dev, TXCSR0, reg); } @@ -1254,7 +1217,7 @@ static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, static void rt2500pci_fill_rxdone(struct data_entry *entry, struct rxdata_entry_desc *desc) { - struct data_desc *rxd = entry->priv; + __le32 *rxd = entry->priv; u32 word0; u32 word2; @@ -1272,6 +1235,7 @@ static void rt2500pci_fill_rxdone(struct data_entry *entry, entry->ring->rt2x00dev->rssi_offset; desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM); desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); + desc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS); } /* @@ -1281,7 +1245,7 @@ static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue) { struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue); struct data_entry *entry; - struct data_desc *txd; + __le32 *txd; u32 word; int tx_status; int retry; @@ -1301,26 +1265,8 @@ static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue) tx_status = rt2x00_get_field32(word, TXD_W0_RESULT); retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT); - rt2x00lib_txdone(entry, tx_status, retry); - - /* - * Make this entry available for reuse. - */ - entry->flags = 0; - rt2x00_set_field32(&word, TXD_W0_VALID, 0); - rt2x00_desc_write(txd, 0, word); - rt2x00_ring_index_done_inc(ring); + rt2x00pci_txdone(rt2x00dev, entry, tx_status, retry); } - - /* - * If the data ring was full before the txdone handler - * we must make sure the packet queue in the mac80211 stack - * is reenabled when the txdone handler has finished. - */ - entry = ring->entry; - if (!rt2x00_ring_full(ring)) - ieee80211_wake_queue(rt2x00dev->hw, - entry->tx_status.control.queue); } static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance) @@ -1420,9 +1366,12 @@ static int rt2500pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); - rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, 0); + rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, + ANTENNA_SW_DIVERSITY); + rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, + ANTENNA_SW_DIVERSITY); + rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, + LED_MODE_DEFAULT); rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522); @@ -1481,9 +1430,9 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev) /* * Identify default antenna configuration. */ - rt2x00dev->hw->conf.antenna_sel_tx = + rt2x00dev->default_ant.tx = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); - rt2x00dev->hw->conf.antenna_sel_rx = + rt2x00dev->default_ant.rx = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); /* @@ -1774,7 +1723,6 @@ static void rt2500pci_configure_filter(struct ieee80211_hw *hw, struct dev_addr_list *mc_list) { struct rt2x00_dev *rt2x00dev = hw->priv; - struct interface *intf = &rt2x00dev->interface; u32 reg; /* @@ -1793,22 +1741,19 @@ static void rt2500pci_configure_filter(struct ieee80211_hw *hw, * Apply some rules to the filters: * - Some filters imply different filters to be set. * - Some things we can't filter out at all. - * - Some filters are set based on interface type. */ if (mc_count) *total_flags |= FIF_ALLMULTI; if (*total_flags & FIF_OTHER_BSS || *total_flags & FIF_PROMISC_IN_BSS) *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; - if (is_interface_type(intf, IEEE80211_IF_TYPE_AP)) - *total_flags |= FIF_PROMISC_IN_BSS; /* * Check if there is any work left for us. */ - if (intf->filter == *total_flags) + if (rt2x00dev->packet_filter == *total_flags) return; - intf->filter = *total_flags; + rt2x00dev->packet_filter = *total_flags; /* * Start configuration steps. @@ -1890,7 +1835,7 @@ static const struct ieee80211_ops rt2500pci_mac80211_ops = { .configure_filter = rt2500pci_configure_filter, .get_stats = rt2x00mac_get_stats, .set_retry_limit = rt2500pci_set_retry_limit, - .erp_ie_changed = rt2x00mac_erp_ie_changed, + .bss_info_changed = rt2x00mac_bss_info_changed, .conf_tx = rt2x00mac_conf_tx, .get_tx_stats = rt2x00mac_get_tx_stats, .get_tsf = rt2500pci_get_tsf, @@ -1904,6 +1849,8 @@ static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = { .probe_hw = rt2500pci_probe_hw, .initialize = rt2x00pci_initialize, .uninitialize = rt2x00pci_uninitialize, + .init_rxentry = rt2500pci_init_rxentry, + .init_txentry = rt2500pci_init_txentry, .set_device_state = rt2500pci_set_device_state, .rfkill_poll = rt2500pci_rfkill_poll, .link_stats = rt2500pci_link_stats, @@ -1921,7 +1868,7 @@ static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = { }; static const struct rt2x00_ops rt2500pci_ops = { - .name = DRV_NAME, + .name = KBUILD_MODNAME, .rxd_size = RXD_DESC_SIZE, .txd_size = TXD_DESC_SIZE, .eeprom_size = EEPROM_SIZE, @@ -1949,7 +1896,7 @@ MODULE_DEVICE_TABLE(pci, rt2500pci_device_table); MODULE_LICENSE("GPL"); static struct pci_driver rt2500pci_driver = { - .name = DRV_NAME, + .name = KBUILD_MODNAME, .id_table = rt2500pci_device_table, .probe = rt2x00pci_probe, .remove = __devexit_p(rt2x00pci_remove), |